Home / 247,625.20-371,394.60-89,772.40

Finding the Fourth Proportional to 247,625.20, 371,394.60 and 89,772.40

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Solution

The fourth proportional to 247,625.20, 371,394.60 and 89,772.40 is: 134,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,625.20 : 371,394.60 = 89,772.40 : x
  2. Step 2: Convert to fraction form
    247,625.20/371,394.60 = 89,772.40/x
  3. Step 3: Cross multiply
    247,625.20x = 371,394.60 × 89,772.40
  4. Step 4: Simplify right side
    247,625.20x = 33,340,984,589.04
  5. Step 5: Solve for x
    x = 33,340,984,589.04/247,625.20
  6. Step 6: Final answer
    x = 134,642.94

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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.