Home / 146,157.40-219,151.02-57,306.76

Finding the Fourth Proportional to 146,157.40, 219,151.02 and 57,306.76

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Solution

The fourth proportional to 146,157.40, 219,151.02 and 57,306.76 is: 85,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,157.40 : 219,151.02 = 57,306.76 : x
  2. Step 2: Convert to fraction form
    146,157.40/219,151.02 = 57,306.76/x
  3. Step 3: Cross multiply
    146,157.40x = 219,151.02 × 57,306.76
  4. Step 4: Simplify right side
    146,157.40x = 12,558,834,906.90
  5. Step 5: Solve for x
    x = 12,558,834,906.90/146,157.40
  6. Step 6: Final answer
    x = 85,926.78

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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.