Home / 161,685.82-242,528.73-61,876.61

Finding the Fourth Proportional to 161,685.82, 242,528.73 and 61,876.61

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Solution

The fourth proportional to 161,685.82, 242,528.73 and 61,876.61 is: 92,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,685.82 : 242,528.73 = 61,876.61 : x
  2. Step 2: Convert to fraction form
    161,685.82/242,528.73 = 61,876.61/x
  3. Step 3: Cross multiply
    161,685.82x = 242,528.73 × 61,876.61
  4. Step 4: Simplify right side
    161,685.82x = 15,006,855,452.86
  5. Step 5: Solve for x
    x = 15,006,855,452.86/161,685.82
  6. Step 6: Final answer
    x = 92,814.91

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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.