Home / 125,348.54-188,080.20-54,292.91

Finding the Fourth Proportional to 125,348.54, 188,080.20 and 54,292.91

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Solution

The fourth proportional to 125,348.54, 188,080.20 and 54,292.91 is: 81,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,348.54 : 188,080.20 = 54,292.91 : x
  2. Step 2: Convert to fraction form
    125,348.54/188,080.20 = 54,292.91/x
  3. Step 3: Cross multiply
    125,348.54x = 188,080.20 × 54,292.91
  4. Step 4: Simplify right side
    125,348.54x = 10,211,420,430.98
  5. Step 5: Solve for x
    x = 10,211,420,430.98/125,348.54
  6. Step 6: Final answer
    x = 81,464.22

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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.