Home / 156,073.50-234,144.99-61,312.86

Finding the Fourth Proportional to 156,073.50, 234,144.99 and 61,312.86

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Solution

The fourth proportional to 156,073.50, 234,144.99 and 61,312.86 is: 91,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,073.50 : 234,144.99 = 61,312.86 : x
  2. Step 2: Convert to fraction form
    156,073.50/234,144.99 = 61,312.86/x
  3. Step 3: Cross multiply
    156,073.50x = 234,144.99 × 61,312.86
  4. Step 4: Simplify right side
    156,073.50x = 14,356,098,991.57
  5. Step 5: Solve for x
    x = 14,356,098,991.57/156,073.50
  6. Step 6: Final answer
    x = 91,982.94

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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.