Home / 113,154.91-156,153.84-62,170.93

Finding the Fourth Proportional to 113,154.91, 156,153.84 and 62,170.93

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Solution

The fourth proportional to 113,154.91, 156,153.84 and 62,170.93 is: 85,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,154.91 : 156,153.84 = 62,170.93 : x
  2. Step 2: Convert to fraction form
    113,154.91/156,153.84 = 62,170.93/x
  3. Step 3: Cross multiply
    113,154.91x = 156,153.84 × 62,170.93
  4. Step 4: Simplify right side
    113,154.91x = 9,708,229,455.87
  5. Step 5: Solve for x
    x = 9,708,229,455.87/113,154.91
  6. Step 6: Final answer
    x = 85,795.92

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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.