Home / 214,046.19-295,385.92-129,146.85

Finding the Fourth Proportional to 214,046.19, 295,385.92 and 129,146.85

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Solution

The fourth proportional to 214,046.19, 295,385.92 and 129,146.85 is: 178,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,046.19 : 295,385.92 = 129,146.85 : x
  2. Step 2: Convert to fraction form
    214,046.19/295,385.92 = 129,146.85/x
  3. Step 3: Cross multiply
    214,046.19x = 295,385.92 × 129,146.85
  4. Step 4: Simplify right side
    214,046.19x = 38,148,161,102.35
  5. Step 5: Solve for x
    x = 38,148,161,102.35/214,046.19
  6. Step 6: Final answer
    x = 178,223.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.