Home / 136,242.38-187,907.98-88,511.10

Finding the Fourth Proportional to 136,242.38, 187,907.98 and 88,511.10

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Solution

The fourth proportional to 136,242.38, 187,907.98 and 88,511.10 is: 122,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,242.38 : 187,907.98 = 88,511.10 : x
  2. Step 2: Convert to fraction form
    136,242.38/187,907.98 = 88,511.10/x
  3. Step 3: Cross multiply
    136,242.38x = 187,907.98 × 88,511.10
  4. Step 4: Simplify right side
    136,242.38x = 16,631,942,008.58
  5. Step 5: Solve for x
    x = 16,631,942,008.58/136,242.38
  6. Step 6: Final answer
    x = 122,076.13

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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.