Home / 150,142.22-207,194.48-82,158.46

Finding the Fourth Proportional to 150,142.22, 207,194.48 and 82,158.46

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Solution

The fourth proportional to 150,142.22, 207,194.48 and 82,158.46 is: 113,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,142.22 : 207,194.48 = 82,158.46 : x
  2. Step 2: Convert to fraction form
    150,142.22/207,194.48 = 82,158.46/x
  3. Step 3: Cross multiply
    150,142.22x = 207,194.48 × 82,158.46
  4. Step 4: Simplify right side
    150,142.22x = 17,022,779,397.30
  5. Step 5: Solve for x
    x = 17,022,779,397.30/150,142.22
  6. Step 6: Final answer
    x = 113,377.70

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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.