Home / 178,820.64-268,353.96-73,639.59

Finding the Fourth Proportional to 178,820.64, 268,353.96 and 73,639.59

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Solution

The fourth proportional to 178,820.64, 268,353.96 and 73,639.59 is: 110,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,820.64 : 268,353.96 = 73,639.59 : x
  2. Step 2: Convert to fraction form
    178,820.64/268,353.96 = 73,639.59/x
  3. Step 3: Cross multiply
    178,820.64x = 268,353.96 × 73,639.59
  4. Step 4: Simplify right side
    178,820.64x = 19,761,475,589.28
  5. Step 5: Solve for x
    x = 19,761,475,589.28/178,820.64
  6. Step 6: Final answer
    x = 110,510.04

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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.