Home / 232,737.18-320,982.39-143,157.66

Finding the Fourth Proportional to 232,737.18, 320,982.39 and 143,157.66

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Solution

The fourth proportional to 232,737.18, 320,982.39 and 143,157.66 is: 197,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,737.18 : 320,982.39 = 143,157.66 : x
  2. Step 2: Convert to fraction form
    232,737.18/320,982.39 = 143,157.66/x
  3. Step 3: Cross multiply
    232,737.18x = 320,982.39 × 143,157.66
  4. Step 4: Simplify right side
    232,737.18x = 45,951,087,853.61
  5. Step 5: Solve for x
    x = 45,951,087,853.61/232,737.18
  6. Step 6: Final answer
    x = 197,437.68

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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.