Home / 211,116.04-316,171.50-122,182.12

Finding the Fourth Proportional to 211,116.04, 316,171.50 and 122,182.12

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Solution

The fourth proportional to 211,116.04, 316,171.50 and 122,182.12 is: 182,982.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,116.04 : 316,171.50 = 122,182.12 : x
  2. Step 2: Convert to fraction form
    211,116.04/316,171.50 = 122,182.12/x
  3. Step 3: Cross multiply
    211,116.04x = 316,171.50 × 122,182.12
  4. Step 4: Simplify right side
    211,116.04x = 38,630,504,153.58
  5. Step 5: Solve for x
    x = 38,630,504,153.58/211,116.04
  6. Step 6: Final answer
    x = 182,982.33

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.