Home / 169,722.90-234,191.60-98,089.11

Finding the Fourth Proportional to 169,722.90, 234,191.60 and 98,089.11

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Solution

The fourth proportional to 169,722.90, 234,191.60 and 98,089.11 is: 135,347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,722.90 : 234,191.60 = 98,089.11 : x
  2. Step 2: Convert to fraction form
    169,722.90/234,191.60 = 98,089.11/x
  3. Step 3: Cross multiply
    169,722.90x = 234,191.60 × 98,089.11
  4. Step 4: Simplify right side
    169,722.90x = 22,971,645,123.03
  5. Step 5: Solve for x
    x = 22,971,645,123.03/169,722.90
  6. Step 6: Final answer
    x = 135,347.94

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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.