Home / 125,460.18-188,039.61-54,363.24

Finding the Fourth Proportional to 125,460.18, 188,039.61 and 54,363.24

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Solution

The fourth proportional to 125,460.18, 188,039.61 and 54,363.24 is: 81,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,460.18 : 188,039.61 = 54,363.24 : x
  2. Step 2: Convert to fraction form
    125,460.18/188,039.61 = 54,363.24/x
  3. Step 3: Cross multiply
    125,460.18x = 188,039.61 × 54,363.24
  4. Step 4: Simplify right side
    125,460.18x = 10,222,442,447.94
  5. Step 5: Solve for x
    x = 10,222,442,447.94/125,460.18
  6. Step 6: Final answer
    x = 81,479.58

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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.