Home / 141,319.32-212,020.20-57,036.44

Finding the Fourth Proportional to 141,319.32, 212,020.20 and 57,036.44

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Solution

The fourth proportional to 141,319.32, 212,020.20 and 57,036.44 is: 85,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,319.32 : 212,020.20 = 57,036.44 : x
  2. Step 2: Convert to fraction form
    141,319.32/212,020.20 = 57,036.44/x
  3. Step 3: Cross multiply
    141,319.32x = 212,020.20 × 57,036.44
  4. Step 4: Simplify right side
    141,319.32x = 12,092,876,355.99
  5. Step 5: Solve for x
    x = 12,092,876,355.99/141,319.32
  6. Step 6: Final answer
    x = 85,571.29

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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.