Home / 219,116.39-302,380.62-118,514.39

Finding the Fourth Proportional to 219,116.39, 302,380.62 and 118,514.39

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Solution

The fourth proportional to 219,116.39, 302,380.62 and 118,514.39 is: 163,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,116.39 : 302,380.62 = 118,514.39 : x
  2. Step 2: Convert to fraction form
    219,116.39/302,380.62 = 118,514.39/x
  3. Step 3: Cross multiply
    219,116.39x = 302,380.62 × 118,514.39
  4. Step 4: Simplify right side
    219,116.39x = 35,836,454,727.12
  5. Step 5: Solve for x
    x = 35,836,454,727.12/219,116.39
  6. Step 6: Final answer
    x = 163,549.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.