Home / 186,013.64-256,682.32-103,229.72

Finding the Fourth Proportional to 186,013.64, 256,682.32 and 103,229.72

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Solution

The fourth proportional to 186,013.64, 256,682.32 and 103,229.72 is: 142,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,013.64 : 256,682.32 = 103,229.72 : x
  2. Step 2: Convert to fraction form
    186,013.64/256,682.32 = 103,229.72/x
  3. Step 3: Cross multiply
    186,013.64x = 256,682.32 × 103,229.72
  4. Step 4: Simplify right side
    186,013.64x = 26,497,244,022.55
  5. Step 5: Solve for x
    x = 26,497,244,022.55/186,013.64
  6. Step 6: Final answer
    x = 142,447.86

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1.5x scale

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.