Home / 188,255.02-282,007.56-137,760.42

Finding the Fourth Proportional to 188,255.02, 282,007.56 and 137,760.42

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Solution

The fourth proportional to 188,255.02, 282,007.56 and 137,760.42 is: 206,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,255.02 : 282,007.56 = 137,760.42 : x
  2. Step 2: Convert to fraction form
    188,255.02/282,007.56 = 137,760.42/x
  3. Step 3: Cross multiply
    188,255.02x = 282,007.56 × 137,760.42
  4. Step 4: Simplify right side
    188,255.02x = 38,849,479,908.78
  5. Step 5: Solve for x
    x = 38,849,479,908.78/188,255.02
  6. Step 6: Final answer
    x = 206,366.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.