Home / 106,764.72-160,146.54-27,877.20

Finding the Fourth Proportional to 106,764.72, 160,146.54 and 27,877.20

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Solution

The fourth proportional to 106,764.72, 160,146.54 and 27,877.20 is: 41,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,764.72 : 160,146.54 = 27,877.20 : x
  2. Step 2: Convert to fraction form
    106,764.72/160,146.54 = 27,877.20/x
  3. Step 3: Cross multiply
    106,764.72x = 160,146.54 × 27,877.20
  4. Step 4: Simplify right side
    106,764.72x = 4,464,437,124.89
  5. Step 5: Solve for x
    x = 4,464,437,124.89/106,764.72
  6. Step 6: Final answer
    x = 41,815.66

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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.