Home / 156,050.82-215,350.02-88,082.10

Finding the Fourth Proportional to 156,050.82, 215,350.02 and 88,082.10

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Solution

The fourth proportional to 156,050.82, 215,350.02 and 88,082.10 is: 121,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,050.82 : 215,350.02 = 88,082.10 : x
  2. Step 2: Convert to fraction form
    156,050.82/215,350.02 = 88,082.10/x
  3. Step 3: Cross multiply
    156,050.82x = 215,350.02 × 88,082.10
  4. Step 4: Simplify right side
    156,050.82x = 18,968,481,996.64
  5. Step 5: Solve for x
    x = 18,968,481,996.64/156,050.82
  6. Step 6: Final answer
    x = 121,553.24

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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.