Home / 158,581.80-218,853-104,772.42

Finding the Fourth Proportional to 158,581.80, 218,853 and 104,772.42

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Solution

The fourth proportional to 158,581.80, 218,853 and 104,772.42 is: 144,592.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,581.80 : 218,853 = 104,772.42 : x
  2. Step 2: Convert to fraction form
    158,581.80/218,853 = 104,772.42/x
  3. Step 3: Cross multiply
    158,581.80x = 218,853 × 104,772.42
  4. Step 4: Simplify right side
    158,581.80x = 22,929,758,434.26
  5. Step 5: Solve for x
    x = 22,929,758,434.26/158,581.80
  6. Step 6: Final answer
    x = 144,592.62

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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.