Home / 125,354.82-188,029.14-30,585.66

Finding the Fourth Proportional to 125,354.82, 188,029.14 and 30,585.66

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Solution

The fourth proportional to 125,354.82, 188,029.14 and 30,585.66 is: 45,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,354.82 : 188,029.14 = 30,585.66 : x
  2. Step 2: Convert to fraction form
    125,354.82/188,029.14 = 30,585.66/x
  3. Step 3: Cross multiply
    125,354.82x = 188,029.14 × 30,585.66
  4. Step 4: Simplify right side
    125,354.82x = 5,750,995,346.13
  5. Step 5: Solve for x
    x = 5,750,995,346.13/125,354.82
  6. Step 6: Final answer
    x = 45,877.74

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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.