Home / 141,565.20-212,348.88-51,672.35

Finding the Fourth Proportional to 141,565.20, 212,348.88 and 51,672.35

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Solution

The fourth proportional to 141,565.20, 212,348.88 and 51,672.35 is: 77,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,565.20 : 212,348.88 = 51,672.35 : x
  2. Step 2: Convert to fraction form
    141,565.20/212,348.88 = 51,672.35/x
  3. Step 3: Cross multiply
    141,565.20x = 212,348.88 × 51,672.35
  4. Step 4: Simplify right side
    141,565.20x = 10,972,564,587.72
  5. Step 5: Solve for x
    x = 10,972,564,587.72/141,565.20
  6. Step 6: Final answer
    x = 77,508.91

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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.