Home / 99,398.70-137,252.98-92,186.61

Finding the Fourth Proportional to 99,398.70, 137,252.98 and 92,186.61

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Solution

The fourth proportional to 99,398.70, 137,252.98 and 92,186.61 is: 127,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,398.70 : 137,252.98 = 92,186.61 : x
  2. Step 2: Convert to fraction form
    99,398.70/137,252.98 = 92,186.61/x
  3. Step 3: Cross multiply
    99,398.70x = 137,252.98 × 92,186.61
  4. Step 4: Simplify right side
    99,398.70x = 12,652,886,708.13
  5. Step 5: Solve for x
    x = 12,652,886,708.13/99,398.70
  6. Step 6: Final answer
    x = 127,294.29

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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.