Home / 156,254.27-215,489.16-102,518.87

Finding the Fourth Proportional to 156,254.27, 215,489.16 and 102,518.87

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Solution

The fourth proportional to 156,254.27, 215,489.16 and 102,518.87 is: 141,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,254.27 : 215,489.16 = 102,518.87 : x
  2. Step 2: Convert to fraction form
    156,254.27/215,489.16 = 102,518.87/x
  3. Step 3: Cross multiply
    156,254.27x = 215,489.16 × 102,518.87
  4. Step 4: Simplify right side
    156,254.27x = 22,091,705,180.45
  5. Step 5: Solve for x
    x = 22,091,705,180.45/156,254.27
  6. Step 6: Final answer
    x = 141,383.05

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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.