Home / 154,613.07-231,915.96-49,432.95

Finding the Fourth Proportional to 154,613.07, 231,915.96 and 49,432.95

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Solution

The fourth proportional to 154,613.07, 231,915.96 and 49,432.95 is: 74,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,613.07 : 231,915.96 = 49,432.95 : x
  2. Step 2: Convert to fraction form
    154,613.07/231,915.96 = 49,432.95/x
  3. Step 3: Cross multiply
    154,613.07x = 231,915.96 × 49,432.95
  4. Step 4: Simplify right side
    154,613.07x = 11,464,290,054.88
  5. Step 5: Solve for x
    x = 11,464,290,054.88/154,613.07
  6. Step 6: Final answer
    x = 74,148.26

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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.