Home / 185,318.28-255,732.36-100,433.52

Finding the Fourth Proportional to 185,318.28, 255,732.36 and 100,433.52

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Solution

The fourth proportional to 185,318.28, 255,732.36 and 100,433.52 is: 138,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,318.28 : 255,732.36 = 100,433.52 : x
  2. Step 2: Convert to fraction form
    185,318.28/255,732.36 = 100,433.52/x
  3. Step 3: Cross multiply
    185,318.28x = 255,732.36 × 100,433.52
  4. Step 4: Simplify right side
    185,318.28x = 25,684,101,092.71
  5. Step 5: Solve for x
    x = 25,684,101,092.71/185,318.28
  6. Step 6: Final answer
    x = 138,594.54

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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.