Home / 169,722.11-234,258.61-98,143.63

Finding the Fourth Proportional to 169,722.11, 234,258.61 and 98,143.63

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Solution

The fourth proportional to 169,722.11, 234,258.61 and 98,143.63 is: 135,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,722.11 : 234,258.61 = 98,143.63 : x
  2. Step 2: Convert to fraction form
    169,722.11/234,258.61 = 98,143.63/x
  3. Step 3: Cross multiply
    169,722.11x = 234,258.61 × 98,143.63
  4. Step 4: Simplify right side
    169,722.11x = 22,990,990,344.15
  5. Step 5: Solve for x
    x = 22,990,990,344.15/169,722.11
  6. Step 6: Final answer
    x = 135,462.55

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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.