Home / 130,114.41-179,458.83-111,995.97

Finding the Fourth Proportional to 130,114.41, 179,458.83 and 111,995.97

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Solution

The fourth proportional to 130,114.41, 179,458.83 and 111,995.97 is: 154,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,114.41 : 179,458.83 = 111,995.97 : x
  2. Step 2: Convert to fraction form
    130,114.41/179,458.83 = 111,995.97/x
  3. Step 3: Cross multiply
    130,114.41x = 179,458.83 × 111,995.97
  4. Step 4: Simplify right side
    130,114.41x = 20,098,665,740.92
  5. Step 5: Solve for x
    x = 20,098,665,740.92/130,114.41
  6. Step 6: Final answer
    x = 154,469.18

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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.