Home / 185,922.73-256,500.93-137,640.22

Finding the Fourth Proportional to 185,922.73, 256,500.93 and 137,640.22

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Solution

The fourth proportional to 185,922.73, 256,500.93 and 137,640.22 is: 189,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,922.73 : 256,500.93 = 137,640.22 : x
  2. Step 2: Convert to fraction form
    185,922.73/256,500.93 = 137,640.22/x
  3. Step 3: Cross multiply
    185,922.73x = 256,500.93 × 137,640.22
  4. Step 4: Simplify right side
    185,922.73x = 35,304,844,435.40
  5. Step 5: Solve for x
    x = 35,304,844,435.40/185,922.73
  6. Step 6: Final answer
    x = 189,889.88

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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.