Home / 179,617.40-247,873.78-99,048.12

Finding the Fourth Proportional to 179,617.40, 247,873.78 and 99,048.12

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Solution

The fourth proportional to 179,617.40, 247,873.78 and 99,048.12 is: 136,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,617.40 : 247,873.78 = 99,048.12 : x
  2. Step 2: Convert to fraction form
    179,617.40/247,873.78 = 99,048.12/x
  3. Step 3: Cross multiply
    179,617.40x = 247,873.78 × 99,048.12
  4. Step 4: Simplify right side
    179,617.40x = 24,551,431,906.29
  5. Step 5: Solve for x
    x = 24,551,431,906.29/179,617.40
  6. Step 6: Final answer
    x = 136,687.38

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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.