Home / 108,147.15-149,228.33-60,394.41

Finding the Fourth Proportional to 108,147.15, 149,228.33 and 60,394.41

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Solution

The fourth proportional to 108,147.15, 149,228.33 and 60,394.41 is: 83,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,147.15 : 149,228.33 = 60,394.41 : x
  2. Step 2: Convert to fraction form
    108,147.15/149,228.33 = 60,394.41/x
  3. Step 3: Cross multiply
    108,147.15x = 149,228.33 × 60,394.41
  4. Step 4: Simplify right side
    108,147.15x = 9,012,556,643.66
  5. Step 5: Solve for x
    x = 9,012,556,643.66/108,147.15
  6. Step 6: Final answer
    x = 83,336.05

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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.