Home / 156,227.11-215,592.27-84,605.47

Finding the Fourth Proportional to 156,227.11, 215,592.27 and 84,605.47

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Solution

The fourth proportional to 156,227.11, 215,592.27 and 84,605.47 is: 116,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,227.11 : 215,592.27 = 84,605.47 : x
  2. Step 2: Convert to fraction form
    156,227.11/215,592.27 = 84,605.47/x
  3. Step 3: Cross multiply
    156,227.11x = 215,592.27 × 84,605.47
  4. Step 4: Simplify right side
    156,227.11x = 18,240,285,331.72
  5. Step 5: Solve for x
    x = 18,240,285,331.72/156,227.11
  6. Step 6: Final answer
    x = 116,754.93

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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.