Home / 156,385.89-215,807.27-92,685.87

Finding the Fourth Proportional to 156,385.89, 215,807.27 and 92,685.87

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Solution

The fourth proportional to 156,385.89, 215,807.27 and 92,685.87 is: 127,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,385.89 : 215,807.27 = 92,685.87 : x
  2. Step 2: Convert to fraction form
    156,385.89/215,807.27 = 92,685.87/x
  3. Step 3: Cross multiply
    156,385.89x = 215,807.27 × 92,685.87
  4. Step 4: Simplify right side
    156,385.89x = 20,002,284,572.27
  5. Step 5: Solve for x
    x = 20,002,284,572.27/156,385.89
  6. Step 6: Final answer
    x = 127,903.38

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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.