Home / 187,424.90-258,652.53-102,540.02

Finding the Fourth Proportional to 187,424.90, 258,652.53 and 102,540.02

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Solution

The fourth proportional to 187,424.90, 258,652.53 and 102,540.02 is: 141,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,424.90 : 258,652.53 = 102,540.02 : x
  2. Step 2: Convert to fraction form
    187,424.90/258,652.53 = 102,540.02/x
  3. Step 3: Cross multiply
    187,424.90x = 258,652.53 × 102,540.02
  4. Step 4: Simplify right side
    187,424.90x = 26,522,235,599.25
  5. Step 5: Solve for x
    x = 26,522,235,599.25/187,424.90
  6. Step 6: Final answer
    x = 141,508.60

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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.