Home / 153,344.98-230,039.07-53,490.61

Finding the Fourth Proportional to 153,344.98, 230,039.07 and 53,490.61

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Solution

The fourth proportional to 153,344.98, 230,039.07 and 53,490.61 is: 80,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,344.98 : 230,039.07 = 53,490.61 : x
  2. Step 2: Convert to fraction form
    153,344.98/230,039.07 = 53,490.61/x
  3. Step 3: Cross multiply
    153,344.98x = 230,039.07 × 53,490.61
  4. Step 4: Simplify right side
    153,344.98x = 12,304,930,178.13
  5. Step 5: Solve for x
    x = 12,304,930,178.13/153,344.98
  6. Step 6: Final answer
    x = 80,243.45

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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.