Home / 125,347.15-188,078.14-54,291.52

Finding the Fourth Proportional to 125,347.15, 188,078.14 and 54,291.52

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Solution

The fourth proportional to 125,347.15, 188,078.14 and 54,291.52 is: 81,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,347.15 : 188,078.14 = 54,291.52 : x
  2. Step 2: Convert to fraction form
    125,347.15/188,078.14 = 54,291.52/x
  3. Step 3: Cross multiply
    125,347.15x = 188,078.14 × 54,291.52
  4. Step 4: Simplify right side
    125,347.15x = 10,211,046,887.52
  5. Step 5: Solve for x
    x = 10,211,046,887.52/125,347.15
  6. Step 6: Final answer
    x = 81,462.14

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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.