Home / 146,737.23-220,153.07-66,803.79

Finding the Fourth Proportional to 146,737.23, 220,153.07 and 66,803.79

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Solution

The fourth proportional to 146,737.23, 220,153.07 and 66,803.79 is: 100,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,737.23 : 220,153.07 = 66,803.79 : x
  2. Step 2: Convert to fraction form
    146,737.23/220,153.07 = 66,803.79/x
  3. Step 3: Cross multiply
    146,737.23x = 220,153.07 × 66,803.79
  4. Step 4: Simplify right side
    146,737.23x = 14,707,059,456.14
  5. Step 5: Solve for x
    x = 14,707,059,456.14/146,737.23
  6. Step 6: Final answer
    x = 100,227.18

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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.