Home / 165,026.96-247,540.42-90,106.22

Finding the Fourth Proportional to 165,026.96, 247,540.42 and 90,106.22

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Solution

The fourth proportional to 165,026.96, 247,540.42 and 90,106.22 is: 135,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,026.96 : 247,540.42 = 90,106.22 : x
  2. Step 2: Convert to fraction form
    165,026.96/247,540.42 = 90,106.22/x
  3. Step 3: Cross multiply
    165,026.96x = 247,540.42 × 90,106.22
  4. Step 4: Simplify right side
    165,026.96x = 22,304,931,937.00
  5. Step 5: Solve for x
    x = 22,304,931,937.00/165,026.96
  6. Step 6: Final answer
    x = 135,159.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.