Home / 148,765.92-205,061.04-145,816.80

Finding the Fourth Proportional to 148,765.92, 205,061.04 and 145,816.80

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Solution

The fourth proportional to 148,765.92, 205,061.04 and 145,816.80 is: 200,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,765.92 : 205,061.04 = 145,816.80 : x
  2. Step 2: Convert to fraction form
    148,765.92/205,061.04 = 145,816.80/x
  3. Step 3: Cross multiply
    148,765.92x = 205,061.04 × 145,816.80
  4. Step 4: Simplify right side
    148,765.92x = 29,901,344,657.47
  5. Step 5: Solve for x
    x = 29,901,344,657.47/148,765.92
  6. Step 6: Final answer
    x = 200,995.93

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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.