Home / 146,728.13-220,123.76-45,524.16

Finding the Fourth Proportional to 146,728.13, 220,123.76 and 45,524.16

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Solution

The fourth proportional to 146,728.13, 220,123.76 and 45,524.16 is: 68,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,728.13 : 220,123.76 = 45,524.16 : x
  2. Step 2: Convert to fraction form
    146,728.13/220,123.76 = 45,524.16/x
  3. Step 3: Cross multiply
    146,728.13x = 220,123.76 × 45,524.16
  4. Step 4: Simplify right side
    146,728.13x = 10,020,949,042.42
  5. Step 5: Solve for x
    x = 10,020,949,042.42/146,728.13
  6. Step 6: Final answer
    x = 68,296.03

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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.