Home / 187,367.49-258,569.18-101,328.11

Finding the Fourth Proportional to 187,367.49, 258,569.18 and 101,328.11

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Solution

The fourth proportional to 187,367.49, 258,569.18 and 101,328.11 is: 139,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,367.49 : 258,569.18 = 101,328.11 : x
  2. Step 2: Convert to fraction form
    187,367.49/258,569.18 = 101,328.11/x
  3. Step 3: Cross multiply
    187,367.49x = 258,569.18 × 101,328.11
  4. Step 4: Simplify right side
    187,367.49x = 26,200,327,531.97
  5. Step 5: Solve for x
    x = 26,200,327,531.97/187,367.49
  6. Step 6: Final answer
    x = 139,833.91

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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.