Home / 186,022.48-256,721.52-101,137.72

Finding the Fourth Proportional to 186,022.48, 256,721.52 and 101,137.72

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Solution

The fourth proportional to 186,022.48, 256,721.52 and 101,137.72 is: 139,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,022.48 : 256,721.52 = 101,137.72 : x
  2. Step 2: Convert to fraction form
    186,022.48/256,721.52 = 101,137.72/x
  3. Step 3: Cross multiply
    186,022.48x = 256,721.52 × 101,137.72
  4. Step 4: Simplify right side
    186,022.48x = 25,964,229,207.73
  5. Step 5: Solve for x
    x = 25,964,229,207.73/186,022.48
  6. Step 6: Final answer
    x = 139,575.76

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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.