Home / 108,919.04-150,296.96-73,101.76

Finding the Fourth Proportional to 108,919.04, 150,296.96 and 73,101.76

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Solution

The fourth proportional to 108,919.04, 150,296.96 and 73,101.76 is: 100,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,919.04 : 150,296.96 = 73,101.76 : x
  2. Step 2: Convert to fraction form
    108,919.04/150,296.96 = 73,101.76/x
  3. Step 3: Cross multiply
    108,919.04x = 150,296.96 × 73,101.76
  4. Step 4: Simplify right side
    108,919.04x = 10,986,972,298.65
  5. Step 5: Solve for x
    x = 10,986,972,298.65/108,919.04
  6. Step 6: Final answer
    x = 100,872.83

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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.