Home / 154,019.26-230,503.20-129,087.46

Finding the Fourth Proportional to 154,019.26, 230,503.20 and 129,087.46

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Solution

The fourth proportional to 154,019.26, 230,503.20 and 129,087.46 is: 193,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,019.26 : 230,503.20 = 129,087.46 : x
  2. Step 2: Convert to fraction form
    154,019.26/230,503.20 = 129,087.46/x
  3. Step 3: Cross multiply
    154,019.26x = 230,503.20 × 129,087.46
  4. Step 4: Simplify right side
    154,019.26x = 29,755,072,609.87
  5. Step 5: Solve for x
    x = 29,755,072,609.87/154,019.26
  6. Step 6: Final answer
    x = 193,190.60

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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.