Home / 158,767.27-219,100.07-87,153.95

Finding the Fourth Proportional to 158,767.27, 219,100.07 and 87,153.95

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Solution

The fourth proportional to 158,767.27, 219,100.07 and 87,153.95 is: 120,273.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,767.27 : 219,100.07 = 87,153.95 : x
  2. Step 2: Convert to fraction form
    158,767.27/219,100.07 = 87,153.95/x
  3. Step 3: Cross multiply
    158,767.27x = 219,100.07 × 87,153.95
  4. Step 4: Simplify right side
    158,767.27x = 19,095,436,545.78
  5. Step 5: Solve for x
    x = 19,095,436,545.78/158,767.27
  6. Step 6: Final answer
    x = 120,273.13

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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.