Home / 198,959.24-274,665.18-153,535.16

Finding the Fourth Proportional to 198,959.24, 274,665.18 and 153,535.16

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Solution

The fourth proportional to 198,959.24, 274,665.18 and 153,535.16 is: 211,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,959.24 : 274,665.18 = 153,535.16 : x
  2. Step 2: Convert to fraction form
    198,959.24/274,665.18 = 153,535.16/x
  3. Step 3: Cross multiply
    198,959.24x = 274,665.18 × 153,535.16
  4. Step 4: Simplify right side
    198,959.24x = 42,170,762,357.73
  5. Step 5: Solve for x
    x = 42,170,762,357.73/198,959.24
  6. Step 6: Final answer
    x = 211,956.79

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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.