Home / 156,092.70-234,130.11-42,238.80

Finding the Fourth Proportional to 156,092.70, 234,130.11 and 42,238.80

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Solution

The fourth proportional to 156,092.70, 234,130.11 and 42,238.80 is: 63,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,092.70 : 234,130.11 = 42,238.80 : x
  2. Step 2: Convert to fraction form
    156,092.70/234,130.11 = 42,238.80/x
  3. Step 3: Cross multiply
    156,092.70x = 234,130.11 × 42,238.80
  4. Step 4: Simplify right side
    156,092.70x = 9,889,374,890.27
  5. Step 5: Solve for x
    x = 9,889,374,890.27/156,092.70
  6. Step 6: Final answer
    x = 63,355.78

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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.