Home / 156,557.70-234,644.10-72,200.76

Finding the Fourth Proportional to 156,557.70, 234,644.10 and 72,200.76

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Solution

The fourth proportional to 156,557.70, 234,644.10 and 72,200.76 is: 108,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,557.70 : 234,644.10 = 72,200.76 : x
  2. Step 2: Convert to fraction form
    156,557.70/234,644.10 = 72,200.76/x
  3. Step 3: Cross multiply
    156,557.70x = 234,644.10 × 72,200.76
  4. Step 4: Simplify right side
    156,557.70x = 16,941,482,349.52
  5. Step 5: Solve for x
    x = 16,941,482,349.52/156,557.70
  6. Step 6: Final answer
    x = 108,212.39

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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.