Home / 134,691.96-185,876.22-74,264.76

Finding the Fourth Proportional to 134,691.96, 185,876.22 and 74,264.76

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Solution

The fourth proportional to 134,691.96, 185,876.22 and 74,264.76 is: 102,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,691.96 : 185,876.22 = 74,264.76 : x
  2. Step 2: Convert to fraction form
    134,691.96/185,876.22 = 74,264.76/x
  3. Step 3: Cross multiply
    134,691.96x = 185,876.22 × 74,264.76
  4. Step 4: Simplify right side
    134,691.96x = 13,804,052,868.01
  5. Step 5: Solve for x
    x = 13,804,052,868.01/134,691.96
  6. Step 6: Final answer
    x = 102,486.09

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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.