Home / 101,675.22-152,231.13-76,639.38

Finding the Fourth Proportional to 101,675.22, 152,231.13 and 76,639.38

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Solution

The fourth proportional to 101,675.22, 152,231.13 and 76,639.38 is: 114,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,675.22 : 152,231.13 = 76,639.38 : x
  2. Step 2: Convert to fraction form
    101,675.22/152,231.13 = 76,639.38/x
  3. Step 3: Cross multiply
    101,675.22x = 152,231.13 × 76,639.38
  4. Step 4: Simplify right side
    101,675.22x = 11,666,899,419.90
  5. Step 5: Solve for x
    x = 11,666,899,419.90/101,675.22
  6. Step 6: Final answer
    x = 114,746.73

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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.