Home / 117,613.06-162,306.15-63,898.13

Finding the Fourth Proportional to 117,613.06, 162,306.15 and 63,898.13

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Solution

The fourth proportional to 117,613.06, 162,306.15 and 63,898.13 is: 88,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,613.06 : 162,306.15 = 63,898.13 : x
  2. Step 2: Convert to fraction form
    117,613.06/162,306.15 = 63,898.13/x
  3. Step 3: Cross multiply
    117,613.06x = 162,306.15 × 63,898.13
  4. Step 4: Simplify right side
    117,613.06x = 10,371,059,472.50
  5. Step 5: Solve for x
    x = 10,371,059,472.50/117,613.06
  6. Step 6: Final answer
    x = 88,179.49

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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.