Home / 129,014.44-193,422.30-40,215.40

Finding the Fourth Proportional to 129,014.44, 193,422.30 and 40,215.40

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Solution

The fourth proportional to 129,014.44, 193,422.30 and 40,215.40 is: 60,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,014.44 : 193,422.30 = 40,215.40 : x
  2. Step 2: Convert to fraction form
    129,014.44/193,422.30 = 40,215.40/x
  3. Step 3: Cross multiply
    129,014.44x = 193,422.30 × 40,215.40
  4. Step 4: Simplify right side
    129,014.44x = 7,778,555,163.42
  5. Step 5: Solve for x
    x = 7,778,555,163.42/129,014.44
  6. Step 6: Final answer
    x = 60,292.13

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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.