Home / 159,180.49-219,685.18-91,206.48

Finding the Fourth Proportional to 159,180.49, 219,685.18 and 91,206.48

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Solution

The fourth proportional to 159,180.49, 219,685.18 and 91,206.48 is: 125,874.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,180.49 : 219,685.18 = 91,206.48 : x
  2. Step 2: Convert to fraction form
    159,180.49/219,685.18 = 91,206.48/x
  3. Step 3: Cross multiply
    159,180.49x = 219,685.18 × 91,206.48
  4. Step 4: Simplify right side
    159,180.49x = 20,036,711,740.14
  5. Step 5: Solve for x
    x = 20,036,711,740.14/159,180.49
  6. Step 6: Final answer
    x = 125,874.17

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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.