Home / 187,260.11-258,418.89-102,377.16

Finding the Fourth Proportional to 187,260.11, 258,418.89 and 102,377.16

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Solution

The fourth proportional to 187,260.11, 258,418.89 and 102,377.16 is: 141,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,260.11 : 258,418.89 = 102,377.16 : x
  2. Step 2: Convert to fraction form
    187,260.11/258,418.89 = 102,377.16/x
  3. Step 3: Cross multiply
    187,260.11x = 258,418.89 × 102,377.16
  4. Step 4: Simplify right side
    187,260.11x = 26,456,192,048.55
  5. Step 5: Solve for x
    x = 26,456,192,048.55/187,260.11
  6. Step 6: Final answer
    x = 141,280.45

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1.5x scale

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.