Home / 141,447.90-212,273.18-51,490.42

Finding the Fourth Proportional to 141,447.90, 212,273.18 and 51,490.42

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Solution

The fourth proportional to 141,447.90, 212,273.18 and 51,490.42 is: 77,272.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,447.90 : 212,273.18 = 51,490.42 : x
  2. Step 2: Convert to fraction form
    141,447.90/212,273.18 = 51,490.42/x
  3. Step 3: Cross multiply
    141,447.90x = 212,273.18 × 51,490.42
  4. Step 4: Simplify right side
    141,447.90x = 10,930,035,321.66
  5. Step 5: Solve for x
    x = 10,930,035,321.66/141,447.90
  6. Step 6: Final answer
    x = 77,272.52

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1.5x scale

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.