Home / 169,712.42-234,177.10-98,078.60

Finding the Fourth Proportional to 169,712.42, 234,177.10 and 98,078.60

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Solution

The fourth proportional to 169,712.42, 234,177.10 and 98,078.60 is: 135,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,712.42 : 234,177.10 = 98,078.60 : x
  2. Step 2: Convert to fraction form
    169,712.42/234,177.10 = 98,078.60/x
  3. Step 3: Cross multiply
    169,712.42x = 234,177.10 × 98,078.60
  4. Step 4: Simplify right side
    169,712.42x = 22,967,762,460.31
  5. Step 5: Solve for x
    x = 22,967,762,460.31/169,712.42
  6. Step 6: Final answer
    x = 135,333.43

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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.