Home / 119,236-164,545.68-68,938.24

Finding the Fourth Proportional to 119,236, 164,545.68 and 68,938.24

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Solution

The fourth proportional to 119,236, 164,545.68 and 68,938.24 is: 95,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,236 : 164,545.68 = 68,938.24 : x
  2. Step 2: Convert to fraction form
    119,236/164,545.68 = 68,938.24/x
  3. Step 3: Cross multiply
    119,236x = 164,545.68 × 68,938.24
  4. Step 4: Simplify right side
    119,236x = 11,343,489,578.80
  5. Step 5: Solve for x
    x = 11,343,489,578.80/119,236
  6. Step 6: Final answer
    x = 95,134.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.