Home / 178,901.19-268,351.56-45,781.49

Finding the Fourth Proportional to 178,901.19, 268,351.56 and 45,781.49

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Solution

The fourth proportional to 178,901.19, 268,351.56 and 45,781.49 is: 68,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,901.19 : 268,351.56 = 45,781.49 : x
  2. Step 2: Convert to fraction form
    178,901.19/268,351.56 = 45,781.49/x
  3. Step 3: Cross multiply
    178,901.19x = 268,351.56 × 45,781.49
  4. Step 4: Simplify right side
    178,901.19x = 12,285,534,260.62
  5. Step 5: Solve for x
    x = 12,285,534,260.62/178,901.19
  6. Step 6: Final answer
    x = 68,672.18

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1.5x scale

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.