Home / 134,537.28-185,666.31-83,578.14

Finding the Fourth Proportional to 134,537.28, 185,666.31 and 83,578.14

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Solution

The fourth proportional to 134,537.28, 185,666.31 and 83,578.14 is: 115,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,537.28 : 185,666.31 = 83,578.14 : x
  2. Step 2: Convert to fraction form
    134,537.28/185,666.31 = 83,578.14/x
  3. Step 3: Cross multiply
    134,537.28x = 185,666.31 × 83,578.14
  4. Step 4: Simplify right side
    134,537.28x = 15,517,644,850.46
  5. Step 5: Solve for x
    x = 15,517,644,850.46/134,537.28
  6. Step 6: Final answer
    x = 115,340.85

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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.