Home / 113,677.04-156,856.20-63,376.40

Finding the Fourth Proportional to 113,677.04, 156,856.20 and 63,376.40

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Solution

The fourth proportional to 113,677.04, 156,856.20 and 63,376.40 is: 87,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,677.04 : 156,856.20 = 63,376.40 : x
  2. Step 2: Convert to fraction form
    113,677.04/156,856.20 = 63,376.40/x
  3. Step 3: Cross multiply
    113,677.04x = 156,856.20 × 63,376.40
  4. Step 4: Simplify right side
    113,677.04x = 9,940,981,273.68
  5. Step 5: Solve for x
    x = 9,940,981,273.68/113,677.04
  6. Step 6: Final answer
    x = 87,449.33

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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.