Home / 156,377.28-215,795.32-92,677.24

Finding the Fourth Proportional to 156,377.28, 215,795.32 and 92,677.24

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Solution

The fourth proportional to 156,377.28, 215,795.32 and 92,677.24 is: 127,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,377.28 : 215,795.32 = 92,677.24 : x
  2. Step 2: Convert to fraction form
    156,377.28/215,795.32 = 92,677.24/x
  3. Step 3: Cross multiply
    156,377.28x = 215,795.32 × 92,677.24
  4. Step 4: Simplify right side
    156,377.28x = 19,999,314,662.52
  5. Step 5: Solve for x
    x = 19,999,314,662.52/156,377.28
  6. Step 6: Final answer
    x = 127,891.43

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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.