Home / 129,043.19-193,490.94-50,065.22

Finding the Fourth Proportional to 129,043.19, 193,490.94 and 50,065.22

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Solution

The fourth proportional to 129,043.19, 193,490.94 and 50,065.22 is: 75,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,043.19 : 193,490.94 = 50,065.22 : x
  2. Step 2: Convert to fraction form
    129,043.19/193,490.94 = 50,065.22/x
  3. Step 3: Cross multiply
    129,043.19x = 193,490.94 × 50,065.22
  4. Step 4: Simplify right side
    129,043.19x = 9,687,166,479.11
  5. Step 5: Solve for x
    x = 9,687,166,479.11/129,043.19
  6. Step 6: Final answer
    x = 75,069.18

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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.