Home / 185,913.32-256,540.23-105,339.38

Finding the Fourth Proportional to 185,913.32, 256,540.23 and 105,339.38

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Solution

The fourth proportional to 185,913.32, 256,540.23 and 105,339.38 is: 145,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,913.32 : 256,540.23 = 105,339.38 : x
  2. Step 2: Convert to fraction form
    185,913.32/256,540.23 = 105,339.38/x
  3. Step 3: Cross multiply
    185,913.32x = 256,540.23 × 105,339.38
  4. Step 4: Simplify right side
    185,913.32x = 27,023,787,490.56
  5. Step 5: Solve for x
    x = 27,023,787,490.56/185,913.32
  6. Step 6: Final answer
    x = 145,356.92

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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.