Home / 192,143.76-265,180.86-159,821.36

Finding the Fourth Proportional to 192,143.76, 265,180.86 and 159,821.36

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Solution

The fourth proportional to 192,143.76, 265,180.86 and 159,821.36 is: 220,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,143.76 : 265,180.86 = 159,821.36 : x
  2. Step 2: Convert to fraction form
    192,143.76/265,180.86 = 159,821.36/x
  3. Step 3: Cross multiply
    192,143.76x = 265,180.86 × 159,821.36
  4. Step 4: Simplify right side
    192,143.76x = 42,381,565,691.17
  5. Step 5: Solve for x
    x = 42,381,565,691.17/192,143.76
  6. Step 6: Final answer
    x = 220,572.17

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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.