Home / 108,169.72-149,260.79-60,432.06

Finding the Fourth Proportional to 108,169.72, 149,260.79 and 60,432.06

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Solution

The fourth proportional to 108,169.72, 149,260.79 and 60,432.06 is: 83,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,169.72 : 149,260.79 = 60,432.06 : x
  2. Step 2: Convert to fraction form
    108,169.72/149,260.79 = 60,432.06/x
  3. Step 3: Cross multiply
    108,169.72x = 149,260.79 × 60,432.06
  4. Step 4: Simplify right side
    108,169.72x = 9,020,137,016.93
  5. Step 5: Solve for x
    x = 9,020,137,016.93/108,169.72
  6. Step 6: Final answer
    x = 83,388.74

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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.