Home / 154,515.51-231,877.14-54,675.30

Finding the Fourth Proportional to 154,515.51, 231,877.14 and 54,675.30

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Solution

The fourth proportional to 154,515.51, 231,877.14 and 54,675.30 is: 82,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,515.51 : 231,877.14 = 54,675.30 : x
  2. Step 2: Convert to fraction form
    154,515.51/231,877.14 = 54,675.30/x
  3. Step 3: Cross multiply
    154,515.51x = 231,877.14 × 54,675.30
  4. Step 4: Simplify right side
    154,515.51x = 12,677,952,192.64
  5. Step 5: Solve for x
    x = 12,677,952,192.64/154,515.51
  6. Step 6: Final answer
    x = 82,049.71

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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.