Home / 108,216.75-149,336.25-60,470.49

Finding the Fourth Proportional to 108,216.75, 149,336.25 and 60,470.49

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Solution

The fourth proportional to 108,216.75, 149,336.25 and 60,470.49 is: 83,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,216.75 : 149,336.25 = 60,470.49 : x
  2. Step 2: Convert to fraction form
    108,216.75/149,336.25 = 60,470.49/x
  3. Step 3: Cross multiply
    108,216.75x = 149,336.25 × 60,470.49
  4. Step 4: Simplify right side
    108,216.75x = 9,030,436,212.26
  5. Step 5: Solve for x
    x = 9,030,436,212.26/108,216.75
  6. Step 6: Final answer
    x = 83,447.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.