Home / 115,420.20-173,276.10-62,154.60

Finding the Fourth Proportional to 115,420.20, 173,276.10 and 62,154.60

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Solution

The fourth proportional to 115,420.20, 173,276.10 and 62,154.60 is: 93,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,420.20 : 173,276.10 = 62,154.60 : x
  2. Step 2: Convert to fraction form
    115,420.20/173,276.10 = 62,154.60/x
  3. Step 3: Cross multiply
    115,420.20x = 173,276.10 × 62,154.60
  4. Step 4: Simplify right side
    115,420.20x = 10,769,906,685.06
  5. Step 5: Solve for x
    x = 10,769,906,685.06/115,420.20
  6. Step 6: Final answer
    x = 93,310.41

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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.