Home / 147,151.20-202,939.92-101,749.08

Finding the Fourth Proportional to 147,151.20, 202,939.92 and 101,749.08

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Solution

The fourth proportional to 147,151.20, 202,939.92 and 101,749.08 is: 140,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,151.20 : 202,939.92 = 101,749.08 : x
  2. Step 2: Convert to fraction form
    147,151.20/202,939.92 = 101,749.08/x
  3. Step 3: Cross multiply
    147,151.20x = 202,939.92 × 101,749.08
  4. Step 4: Simplify right side
    147,151.20x = 20,648,950,155.27
  5. Step 5: Solve for x
    x = 20,648,950,155.27/147,151.20
  6. Step 6: Final answer
    x = 140,324.71

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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.