Home / 136,213.38-187,867.95-88,482.11

Finding the Fourth Proportional to 136,213.38, 187,867.95 and 88,482.11

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Solution

The fourth proportional to 136,213.38, 187,867.95 and 88,482.11 is: 122,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,213.38 : 187,867.95 = 88,482.11 : x
  2. Step 2: Convert to fraction form
    136,213.38/187,867.95 = 88,482.11/x
  3. Step 3: Cross multiply
    136,213.38x = 187,867.95 × 88,482.11
  4. Step 4: Simplify right side
    136,213.38x = 16,622,951,678.03
  5. Step 5: Solve for x
    x = 16,622,951,678.03/136,213.38
  6. Step 6: Final answer
    x = 122,036.11

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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.