Home / 113,733.72-156,952.14-63,432.68

Finding the Fourth Proportional to 113,733.72, 156,952.14 and 63,432.68

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Solution

The fourth proportional to 113,733.72, 156,952.14 and 63,432.68 is: 87,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,733.72 : 156,952.14 = 63,432.68 : x
  2. Step 2: Convert to fraction form
    113,733.72/156,952.14 = 63,432.68/x
  3. Step 3: Cross multiply
    113,733.72x = 156,952.14 × 63,432.68
  4. Step 4: Simplify right side
    113,733.72x = 9,955,894,871.94
  5. Step 5: Solve for x
    x = 9,955,894,871.94/113,733.72
  6. Step 6: Final answer
    x = 87,536.88

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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.