Home / 169,686.78-234,139.65-98,073.47

Finding the Fourth Proportional to 169,686.78, 234,139.65 and 98,073.47

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Solution

The fourth proportional to 169,686.78, 234,139.65 and 98,073.47 is: 135,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,686.78 : 234,139.65 = 98,073.47 : x
  2. Step 2: Convert to fraction form
    169,686.78/234,139.65 = 98,073.47/x
  3. Step 3: Cross multiply
    169,686.78x = 234,139.65 × 98,073.47
  4. Step 4: Simplify right side
    169,686.78x = 22,962,887,940.09
  5. Step 5: Solve for x
    x = 22,962,887,940.09/169,686.78
  6. Step 6: Final answer
    x = 135,325.14

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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.