Home / 154,104.42-231,175.05-65,346.39

Finding the Fourth Proportional to 154,104.42, 231,175.05 and 65,346.39

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Solution

The fourth proportional to 154,104.42, 231,175.05 and 65,346.39 is: 98,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,104.42 : 231,175.05 = 65,346.39 : x
  2. Step 2: Convert to fraction form
    154,104.42/231,175.05 = 65,346.39/x
  3. Step 3: Cross multiply
    154,104.42x = 231,175.05 × 65,346.39
  4. Step 4: Simplify right side
    154,104.42x = 15,106,454,975.57
  5. Step 5: Solve for x
    x = 15,106,454,975.57/154,104.42
  6. Step 6: Final answer
    x = 98,027.40

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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.