Home / 156,204.69-215,562.16-84,584.49

Finding the Fourth Proportional to 156,204.69, 215,562.16 and 84,584.49

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Solution

The fourth proportional to 156,204.69, 215,562.16 and 84,584.49 is: 116,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,204.69 : 215,562.16 = 84,584.49 : x
  2. Step 2: Convert to fraction form
    156,204.69/215,562.16 = 84,584.49/x
  3. Step 3: Cross multiply
    156,204.69x = 215,562.16 × 84,584.49
  4. Step 4: Simplify right side
    156,204.69x = 18,233,215,366.90
  5. Step 5: Solve for x
    x = 18,233,215,366.90/156,204.69
  6. Step 6: Final answer
    x = 116,726.43

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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.