Home / 187,442.29-258,669.78-101,401.24

Finding the Fourth Proportional to 187,442.29, 258,669.78 and 101,401.24

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Solution

The fourth proportional to 187,442.29, 258,669.78 and 101,401.24 is: 139,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,442.29 : 258,669.78 = 101,401.24 : x
  2. Step 2: Convert to fraction form
    187,442.29/258,669.78 = 101,401.24/x
  3. Step 3: Cross multiply
    187,442.29x = 258,669.78 × 101,401.24
  4. Step 4: Simplify right side
    187,442.29x = 26,229,437,146.12
  5. Step 5: Solve for x
    x = 26,229,437,146.12/187,442.29
  6. Step 6: Final answer
    x = 139,933.40

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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.