Home / 156,154.98-215,414.34-94,884.66

Finding the Fourth Proportional to 156,154.98, 215,414.34 and 94,884.66

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Solution

The fourth proportional to 156,154.98, 215,414.34 and 94,884.66 is: 130,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,154.98 : 215,414.34 = 94,884.66 : x
  2. Step 2: Convert to fraction form
    156,154.98/215,414.34 = 94,884.66/x
  3. Step 3: Cross multiply
    156,154.98x = 215,414.34 × 94,884.66
  4. Step 4: Simplify right side
    156,154.98x = 20,439,516,410.02
  5. Step 5: Solve for x
    x = 20,439,516,410.02/156,154.98
  6. Step 6: Final answer
    x = 130,892.50

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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.