Home / 108,203.79-149,324.54-60,459.15

Finding the Fourth Proportional to 108,203.79, 149,324.54 and 60,459.15

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Solution

The fourth proportional to 108,203.79, 149,324.54 and 60,459.15 is: 83,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,203.79 : 149,324.54 = 60,459.15 : x
  2. Step 2: Convert to fraction form
    108,203.79/149,324.54 = 60,459.15/x
  3. Step 3: Cross multiply
    108,203.79x = 149,324.54 × 60,459.15
  4. Step 4: Simplify right side
    108,203.79x = 9,028,034,460.25
  5. Step 5: Solve for x
    x = 9,028,034,460.25/108,203.79
  6. Step 6: Final answer
    x = 83,435.47

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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.