Home / 108,132.16-149,205.36-60,383.20

Finding the Fourth Proportional to 108,132.16, 149,205.36 and 60,383.20

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Solution

The fourth proportional to 108,132.16, 149,205.36 and 60,383.20 is: 83,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,132.16 : 149,205.36 = 60,383.20 : x
  2. Step 2: Convert to fraction form
    108,132.16/149,205.36 = 60,383.20/x
  3. Step 3: Cross multiply
    108,132.16x = 149,205.36 × 60,383.20
  4. Step 4: Simplify right side
    108,132.16x = 9,009,497,093.95
  5. Step 5: Solve for x
    x = 9,009,497,093.95/108,132.16
  6. Step 6: Final answer
    x = 83,319.31

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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.