Home / 134,576.20-185,673.12-80,873.20

Finding the Fourth Proportional to 134,576.20, 185,673.12 and 80,873.20

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Solution

The fourth proportional to 134,576.20, 185,673.12 and 80,873.20 is: 111,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,576.20 : 185,673.12 = 80,873.20 : x
  2. Step 2: Convert to fraction form
    134,576.20/185,673.12 = 80,873.20/x
  3. Step 3: Cross multiply
    134,576.20x = 185,673.12 × 80,873.20
  4. Step 4: Simplify right side
    134,576.20x = 15,015,979,368.38
  5. Step 5: Solve for x
    x = 15,015,979,368.38/134,576.20
  6. Step 6: Final answer
    x = 111,579.75

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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.