Home / 154,073.80-231,110.70-54,233.20

Finding the Fourth Proportional to 154,073.80, 231,110.70 and 54,233.20

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Solution

The fourth proportional to 154,073.80, 231,110.70 and 54,233.20 is: 81,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,073.80 : 231,110.70 = 54,233.20 : x
  2. Step 2: Convert to fraction form
    154,073.80/231,110.70 = 54,233.20/x
  3. Step 3: Cross multiply
    154,073.80x = 231,110.70 × 54,233.20
  4. Step 4: Simplify right side
    154,073.80x = 12,533,872,815.24
  5. Step 5: Solve for x
    x = 12,533,872,815.24/154,073.80
  6. Step 6: Final answer
    x = 81,349.80

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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.