Home / 120,569.47-180,558.92-84,943.24

Finding the Fourth Proportional to 120,569.47, 180,558.92 and 84,943.24

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Solution

The fourth proportional to 120,569.47, 180,558.92 and 84,943.24 is: 127,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,569.47 : 180,558.92 = 84,943.24 : x
  2. Step 2: Convert to fraction form
    120,569.47/180,558.92 = 84,943.24/x
  3. Step 3: Cross multiply
    120,569.47x = 180,558.92 × 84,943.24
  4. Step 4: Simplify right side
    120,569.47x = 15,337,259,436.66
  5. Step 5: Solve for x
    x = 15,337,259,436.66/120,569.47
  6. Step 6: Final answer
    x = 127,206.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.