Home / 113,717.40-156,926.61-63,416.40

Finding the Fourth Proportional to 113,717.40, 156,926.61 and 63,416.40

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Solution

The fourth proportional to 113,717.40, 156,926.61 and 63,416.40 is: 87,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,717.40 : 156,926.61 = 63,416.40 : x
  2. Step 2: Convert to fraction form
    113,717.40/156,926.61 = 63,416.40/x
  3. Step 3: Cross multiply
    113,717.40x = 156,926.61 × 63,416.40
  4. Step 4: Simplify right side
    113,717.40x = 9,951,720,670.40
  5. Step 5: Solve for x
    x = 9,951,720,670.40/113,717.40
  6. Step 6: Final answer
    x = 87,512.73

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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.