Home / 178,761.18-268,178.62-52,405.56

Finding the Fourth Proportional to 178,761.18, 268,178.62 and 52,405.56

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Solution

The fourth proportional to 178,761.18, 268,178.62 and 52,405.56 is: 78,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,761.18 : 268,178.62 = 52,405.56 : x
  2. Step 2: Convert to fraction form
    178,761.18/268,178.62 = 52,405.56/x
  3. Step 3: Cross multiply
    178,761.18x = 268,178.62 × 52,405.56
  4. Step 4: Simplify right side
    178,761.18x = 14,054,050,761.13
  5. Step 5: Solve for x
    x = 14,054,050,761.13/178,761.18
  6. Step 6: Final answer
    x = 78,619.14

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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.