Home / 125,633.18-188,448.81-32,138.78

Finding the Fourth Proportional to 125,633.18, 188,448.81 and 32,138.78

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Solution

The fourth proportional to 125,633.18, 188,448.81 and 32,138.78 is: 48,207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,633.18 : 188,448.81 = 32,138.78 : x
  2. Step 2: Convert to fraction form
    125,633.18/188,448.81 = 32,138.78/x
  3. Step 3: Cross multiply
    125,633.18x = 188,448.81 × 32,138.78
  4. Step 4: Simplify right side
    125,633.18x = 6,056,514,845.85
  5. Step 5: Solve for x
    x = 6,056,514,845.85/125,633.18
  6. Step 6: Final answer
    x = 48,207.92

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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.