Home / 185,765.64-256,435.04-125,418.04

Finding the Fourth Proportional to 185,765.64, 256,435.04 and 125,418.04

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Solution

The fourth proportional to 185,765.64, 256,435.04 and 125,418.04 is: 173,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,765.64 : 256,435.04 = 125,418.04 : x
  2. Step 2: Convert to fraction form
    185,765.64/256,435.04 = 125,418.04/x
  3. Step 3: Cross multiply
    185,765.64x = 256,435.04 × 125,418.04
  4. Step 4: Simplify right side
    185,765.64x = 32,161,580,104.12
  5. Step 5: Solve for x
    x = 32,161,580,104.12/185,765.64
  6. Step 6: Final answer
    x = 173,129.86

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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.