Home / 122,889.22-169,553.16-69,171.10

Finding the Fourth Proportional to 122,889.22, 169,553.16 and 69,171.10

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Solution

The fourth proportional to 122,889.22, 169,553.16 and 69,171.10 is: 95,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,889.22 : 169,553.16 = 69,171.10 : x
  2. Step 2: Convert to fraction form
    122,889.22/169,553.16 = 69,171.10/x
  3. Step 3: Cross multiply
    122,889.22x = 169,553.16 × 69,171.10
  4. Step 4: Simplify right side
    122,889.22x = 11,728,178,585.68
  5. Step 5: Solve for x
    x = 11,728,178,585.68/122,889.22
  6. Step 6: Final answer
    x = 95,437.00

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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.