Home / 130,121.87-195,049.85-73,843.13

Finding the Fourth Proportional to 130,121.87, 195,049.85 and 73,843.13

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Solution

The fourth proportional to 130,121.87, 195,049.85 and 73,843.13 is: 110,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,121.87 : 195,049.85 = 73,843.13 : x
  2. Step 2: Convert to fraction form
    130,121.87/195,049.85 = 73,843.13/x
  3. Step 3: Cross multiply
    130,121.87x = 195,049.85 × 73,843.13
  4. Step 4: Simplify right side
    130,121.87x = 14,403,090,085.57
  5. Step 5: Solve for x
    x = 14,403,090,085.57/130,121.87
  6. Step 6: Final answer
    x = 110,689.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.