Home / 178,828.13-268,241.54-45,708.19

Finding the Fourth Proportional to 178,828.13, 268,241.54 and 45,708.19

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Solution

The fourth proportional to 178,828.13, 268,241.54 and 45,708.19 is: 68,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,828.13 : 268,241.54 = 45,708.19 : x
  2. Step 2: Convert to fraction form
    178,828.13/268,241.54 = 45,708.19/x
  3. Step 3: Cross multiply
    178,828.13x = 268,241.54 × 45,708.19
  4. Step 4: Simplify right side
    178,828.13x = 12,260,834,377.07
  5. Step 5: Solve for x
    x = 12,260,834,377.07/178,828.13
  6. Step 6: Final answer
    x = 68,562.11

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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.