Home / 106,613.67-147,128.76-58,864.17

Finding the Fourth Proportional to 106,613.67, 147,128.76 and 58,864.17

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Solution

The fourth proportional to 106,613.67, 147,128.76 and 58,864.17 is: 81,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,613.67 : 147,128.76 = 58,864.17 : x
  2. Step 2: Convert to fraction form
    106,613.67/147,128.76 = 58,864.17/x
  3. Step 3: Cross multiply
    106,613.67x = 147,128.76 × 58,864.17
  4. Step 4: Simplify right side
    106,613.67x = 8,660,612,340.53
  5. Step 5: Solve for x
    x = 8,660,612,340.53/106,613.67
  6. Step 6: Final answer
    x = 81,233.60

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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.