Home / 156,224.49-215,589.45-84,604.29

Finding the Fourth Proportional to 156,224.49, 215,589.45 and 84,604.29

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Solution

The fourth proportional to 156,224.49, 215,589.45 and 84,604.29 is: 116,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,224.49 : 215,589.45 = 84,604.29 : x
  2. Step 2: Convert to fraction form
    156,224.49/215,589.45 = 84,604.29/x
  3. Step 3: Cross multiply
    156,224.49x = 215,589.45 × 84,604.29
  4. Step 4: Simplify right side
    156,224.49x = 18,239,792,348.74
  5. Step 5: Solve for x
    x = 18,239,792,348.74/156,224.49
  6. Step 6: Final answer
    x = 116,753.73

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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.