Home / 125,559.36-173,199.52-75,229.20

Finding the Fourth Proportional to 125,559.36, 173,199.52 and 75,229.20

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Solution

The fourth proportional to 125,559.36, 173,199.52 and 75,229.20 is: 103,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,559.36 : 173,199.52 = 75,229.20 : x
  2. Step 2: Convert to fraction form
    125,559.36/173,199.52 = 75,229.20/x
  3. Step 3: Cross multiply
    125,559.36x = 173,199.52 × 75,229.20
  4. Step 4: Simplify right side
    125,559.36x = 13,029,661,329.98
  5. Step 5: Solve for x
    x = 13,029,661,329.98/125,559.36
  6. Step 6: Final answer
    x = 103,772.92

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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.