Home / 151,126.10-208,471.17-93,745.58

Finding the Fourth Proportional to 151,126.10, 208,471.17 and 93,745.58

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Solution

The fourth proportional to 151,126.10, 208,471.17 and 93,745.58 is: 129,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,126.10 : 208,471.17 = 93,745.58 : x
  2. Step 2: Convert to fraction form
    151,126.10/208,471.17 = 93,745.58/x
  3. Step 3: Cross multiply
    151,126.10x = 208,471.17 × 93,745.58
  4. Step 4: Simplify right side
    151,126.10x = 19,543,250,744.93
  5. Step 5: Solve for x
    x = 19,543,250,744.93/151,126.10
  6. Step 6: Final answer
    x = 129,317.51

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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.