Home / 179,086.56-247,140.02-98,520.21

Finding the Fourth Proportional to 179,086.56, 247,140.02 and 98,520.21

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Solution

The fourth proportional to 179,086.56, 247,140.02 and 98,520.21 is: 135,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,086.56 : 247,140.02 = 98,520.21 : x
  2. Step 2: Convert to fraction form
    179,086.56/247,140.02 = 98,520.21/x
  3. Step 3: Cross multiply
    179,086.56x = 247,140.02 × 98,520.21
  4. Step 4: Simplify right side
    179,086.56x = 24,348,286,669.80
  5. Step 5: Solve for x
    x = 24,348,286,669.80/179,086.56
  6. Step 6: Final answer
    x = 135,958.20

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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.