Home / 148,463.13-204,870.42-88,039.56

Finding the Fourth Proportional to 148,463.13, 204,870.42 and 88,039.56

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Solution

The fourth proportional to 148,463.13, 204,870.42 and 88,039.56 is: 121,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,463.13 : 204,870.42 = 88,039.56 : x
  2. Step 2: Convert to fraction form
    148,463.13/204,870.42 = 88,039.56/x
  3. Step 3: Cross multiply
    148,463.13x = 204,870.42 × 88,039.56
  4. Step 4: Simplify right side
    148,463.13x = 18,036,701,633.82
  5. Step 5: Solve for x
    x = 18,036,701,633.82/148,463.13
  6. Step 6: Final answer
    x = 121,489.43

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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.