Home / 129,017.25-193,476.11-50,121.09

Finding the Fourth Proportional to 129,017.25, 193,476.11 and 50,121.09

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Solution

The fourth proportional to 129,017.25, 193,476.11 and 50,121.09 is: 75,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,017.25 : 193,476.11 = 50,121.09 : x
  2. Step 2: Convert to fraction form
    129,017.25/193,476.11 = 50,121.09/x
  3. Step 3: Cross multiply
    129,017.25x = 193,476.11 × 50,121.09
  4. Step 4: Simplify right side
    129,017.25x = 9,697,233,271.55
  5. Step 5: Solve for x
    x = 9,697,233,271.55/129,017.25
  6. Step 6: Final answer
    x = 75,162.30

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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.