Home / 125,196.65-187,982.58-108,381.52

Finding the Fourth Proportional to 125,196.65, 187,982.58 and 108,381.52

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Solution

The fourth proportional to 125,196.65, 187,982.58 and 108,381.52 is: 162,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,196.65 : 187,982.58 = 108,381.52 : x
  2. Step 2: Convert to fraction form
    125,196.65/187,982.58 = 108,381.52/x
  3. Step 3: Cross multiply
    125,196.65x = 187,982.58 × 108,381.52
  4. Step 4: Simplify right side
    125,196.65x = 20,373,837,013.01
  5. Step 5: Solve for x
    x = 20,373,837,013.01/125,196.65
  6. Step 6: Final answer
    x = 162,734.68

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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.