Home / 154,637.57-231,890.72-54,822.89

Finding the Fourth Proportional to 154,637.57, 231,890.72 and 54,822.89

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Solution

The fourth proportional to 154,637.57, 231,890.72 and 54,822.89 is: 82,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,637.57 : 231,890.72 = 54,822.89 : x
  2. Step 2: Convert to fraction form
    154,637.57/231,890.72 = 54,822.89/x
  3. Step 3: Cross multiply
    154,637.57x = 231,890.72 × 54,822.89
  4. Step 4: Simplify right side
    154,637.57x = 12,712,918,001.01
  5. Step 5: Solve for x
    x = 12,712,918,001.01/154,637.57
  6. Step 6: Final answer
    x = 82,211.06

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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.