Home / 108,203.12-149,321.06-60,458.48

Finding the Fourth Proportional to 108,203.12, 149,321.06 and 60,458.48

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Solution

The fourth proportional to 108,203.12, 149,321.06 and 60,458.48 is: 83,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,203.12 : 149,321.06 = 60,458.48 : x
  2. Step 2: Convert to fraction form
    108,203.12/149,321.06 = 60,458.48/x
  3. Step 3: Cross multiply
    108,203.12x = 149,321.06 × 60,458.48
  4. Step 4: Simplify right side
    108,203.12x = 9,027,724,319.59
  5. Step 5: Solve for x
    x = 9,027,724,319.59/108,203.12
  6. Step 6: Final answer
    x = 83,433.12

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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.