Home / 211,116.54-316,172.25-122,182.62

Finding the Fourth Proportional to 211,116.54, 316,172.25 and 122,182.62

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Solution

The fourth proportional to 211,116.54, 316,172.25 and 122,182.62 is: 182,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,116.54 : 316,172.25 = 122,182.62 : x
  2. Step 2: Convert to fraction form
    211,116.54/316,172.25 = 122,182.62/x
  3. Step 3: Cross multiply
    211,116.54x = 316,172.25 × 122,182.62
  4. Step 4: Simplify right side
    211,116.54x = 38,630,753,876.30
  5. Step 5: Solve for x
    x = 38,630,753,876.30/211,116.54
  6. Step 6: Final answer
    x = 182,983.08

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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.