Home / 187,029.13-258,101.85-106,461.85

Finding the Fourth Proportional to 187,029.13, 258,101.85 and 106,461.85

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Solution

The fourth proportional to 187,029.13, 258,101.85 and 106,461.85 is: 146,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029.13 : 258,101.85 = 106,461.85 : x
  2. Step 2: Convert to fraction form
    187,029.13/258,101.85 = 106,461.85/x
  3. Step 3: Cross multiply
    187,029.13x = 258,101.85 × 106,461.85
  4. Step 4: Simplify right side
    187,029.13x = 27,478,000,439.42
  5. Step 5: Solve for x
    x = 27,478,000,439.42/187,029.13
  6. Step 6: Final answer
    x = 146,918.29

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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.