Home / 185,943.66-256,531.23-114,300.78

Finding the Fourth Proportional to 185,943.66, 256,531.23 and 114,300.78

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Solution

The fourth proportional to 185,943.66, 256,531.23 and 114,300.78 is: 157,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,943.66 : 256,531.23 = 114,300.78 : x
  2. Step 2: Convert to fraction form
    185,943.66/256,531.23 = 114,300.78/x
  3. Step 3: Cross multiply
    185,943.66x = 256,531.23 × 114,300.78
  4. Step 4: Simplify right side
    185,943.66x = 29,321,719,683.36
  5. Step 5: Solve for x
    x = 29,321,719,683.36/185,943.66
  6. Step 6: Final answer
    x = 157,691.42

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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.