Home / 119,132.10-178,698.15-113,883.30

Finding the Fourth Proportional to 119,132.10, 178,698.15 and 113,883.30

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Solution

The fourth proportional to 119,132.10, 178,698.15 and 113,883.30 is: 170,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,132.10 : 178,698.15 = 113,883.30 : x
  2. Step 2: Convert to fraction form
    119,132.10/178,698.15 = 113,883.30/x
  3. Step 3: Cross multiply
    119,132.10x = 178,698.15 × 113,883.30
  4. Step 4: Simplify right side
    119,132.10x = 20,350,735,025.90
  5. Step 5: Solve for x
    x = 20,350,735,025.90/119,132.10
  6. Step 6: Final answer
    x = 170,824.95

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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.