Home / 154,454.44-231,653.07-54,615.46

Finding the Fourth Proportional to 154,454.44, 231,653.07 and 54,615.46

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Solution

The fourth proportional to 154,454.44, 231,653.07 and 54,615.46 is: 81,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,454.44 : 231,653.07 = 54,615.46 : x
  2. Step 2: Convert to fraction form
    154,454.44/231,653.07 = 54,615.46/x
  3. Step 3: Cross multiply
    154,454.44x = 231,653.07 × 54,615.46
  4. Step 4: Simplify right side
    154,454.44x = 12,651,838,978.46
  5. Step 5: Solve for x
    x = 12,651,838,978.46/154,454.44
  6. Step 6: Final answer
    x = 81,913.08

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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.