Home / 154,218.66-231,063.72-103,522.78

Finding the Fourth Proportional to 154,218.66, 231,063.72 and 103,522.78

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Solution

The fourth proportional to 154,218.66, 231,063.72 and 103,522.78 is: 155,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,218.66 : 231,063.72 = 103,522.78 : x
  2. Step 2: Convert to fraction form
    154,218.66/231,063.72 = 103,522.78/x
  3. Step 3: Cross multiply
    154,218.66x = 231,063.72 × 103,522.78
  4. Step 4: Simplify right side
    154,218.66x = 23,920,358,651.54
  5. Step 5: Solve for x
    x = 23,920,358,651.54/154,218.66
  6. Step 6: Final answer
    x = 155,106.77

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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.