Home / 169,781.13-234,308.07-98,186.04

Finding the Fourth Proportional to 169,781.13, 234,308.07 and 98,186.04

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Solution

The fourth proportional to 169,781.13, 234,308.07 and 98,186.04 is: 135,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,781.13 : 234,308.07 = 98,186.04 : x
  2. Step 2: Convert to fraction form
    169,781.13/234,308.07 = 98,186.04/x
  3. Step 3: Cross multiply
    169,781.13x = 234,308.07 × 98,186.04
  4. Step 4: Simplify right side
    169,781.13x = 23,005,781,533.34
  5. Step 5: Solve for x
    x = 23,005,781,533.34/169,781.13
  6. Step 6: Final answer
    x = 135,502.58

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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.