Home / 154,494.79-231,336.15-124,348.60

Finding the Fourth Proportional to 154,494.79, 231,336.15 and 124,348.60

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Solution

The fourth proportional to 154,494.79, 231,336.15 and 124,348.60 is: 186,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,494.79 : 231,336.15 = 124,348.60 : x
  2. Step 2: Convert to fraction form
    154,494.79/231,336.15 = 124,348.60/x
  3. Step 3: Cross multiply
    154,494.79x = 231,336.15 × 124,348.60
  4. Step 4: Simplify right side
    154,494.79x = 28,766,326,381.89
  5. Step 5: Solve for x
    x = 28,766,326,381.89/154,494.79
  6. Step 6: Final answer
    x = 186,196.09

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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.