Home / 156,051.32-215,350.70-88,082.60

Finding the Fourth Proportional to 156,051.32, 215,350.70 and 88,082.60

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Solution

The fourth proportional to 156,051.32, 215,350.70 and 88,082.60 is: 121,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,051.32 : 215,350.70 = 88,082.60 : x
  2. Step 2: Convert to fraction form
    156,051.32/215,350.70 = 88,082.60/x
  3. Step 3: Cross multiply
    156,051.32x = 215,350.70 × 88,082.60
  4. Step 4: Simplify right side
    156,051.32x = 18,968,649,567.82
  5. Step 5: Solve for x
    x = 18,968,649,567.82/156,051.32
  6. Step 6: Final answer
    x = 121,553.92

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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.