Home / 156,937.90-235,406.85-38,607.70

Finding the Fourth Proportional to 156,937.90, 235,406.85 and 38,607.70

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Solution

The fourth proportional to 156,937.90, 235,406.85 and 38,607.70 is: 57,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,937.90 : 235,406.85 = 38,607.70 : x
  2. Step 2: Convert to fraction form
    156,937.90/235,406.85 = 38,607.70/x
  3. Step 3: Cross multiply
    156,937.90x = 235,406.85 × 38,607.70
  4. Step 4: Simplify right side
    156,937.90x = 9,088,517,042.75
  5. Step 5: Solve for x
    x = 9,088,517,042.75/156,937.90
  6. Step 6: Final answer
    x = 57,911.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.