Home / 185,772.46-256,365.99-105,215.56

Finding the Fourth Proportional to 185,772.46, 256,365.99 and 105,215.56

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Solution

The fourth proportional to 185,772.46, 256,365.99 and 105,215.56 is: 145,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,772.46 : 256,365.99 = 105,215.56 : x
  2. Step 2: Convert to fraction form
    185,772.46/256,365.99 = 105,215.56/x
  3. Step 3: Cross multiply
    185,772.46x = 256,365.99 × 105,215.56
  4. Step 4: Simplify right side
    185,772.46x = 26,973,690,265.97
  5. Step 5: Solve for x
    x = 26,973,690,265.97/185,772.46
  6. Step 6: Final answer
    x = 145,197.46

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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.