Home / 185,789.27-256,395.24-105,215.06

Finding the Fourth Proportional to 185,789.27, 256,395.24 and 105,215.06

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Solution

The fourth proportional to 185,789.27, 256,395.24 and 105,215.06 is: 145,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,789.27 : 256,395.24 = 105,215.06 : x
  2. Step 2: Convert to fraction form
    185,789.27/256,395.24 = 105,215.06/x
  3. Step 3: Cross multiply
    185,789.27x = 256,395.24 × 105,215.06
  4. Step 4: Simplify right side
    185,789.27x = 26,976,639,278.34
  5. Step 5: Solve for x
    x = 26,976,639,278.34/185,789.27
  6. Step 6: Final answer
    x = 145,200.20

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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.