Home / 195,881.46-270,374.18-127,909

Finding the Fourth Proportional to 195,881.46, 270,374.18 and 127,909

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Solution

The fourth proportional to 195,881.46, 270,374.18 and 127,909 is: 176,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,881.46 : 270,374.18 = 127,909 : x
  2. Step 2: Convert to fraction form
    195,881.46/270,374.18 = 127,909/x
  3. Step 3: Cross multiply
    195,881.46x = 270,374.18 × 127,909
  4. Step 4: Simplify right side
    195,881.46x = 34,583,290,989.62
  5. Step 5: Solve for x
    x = 34,583,290,989.62/195,881.46
  6. Step 6: Final answer
    x = 176,552.14

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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.