Home / 282,255.25-389,335.07-167,452.61

Finding the Fourth Proportional to 282,255.25, 389,335.07 and 167,452.61

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Solution

The fourth proportional to 282,255.25, 389,335.07 and 167,452.61 is: 230,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,255.25 : 389,335.07 = 167,452.61 : x
  2. Step 2: Convert to fraction form
    282,255.25/389,335.07 = 167,452.61/x
  3. Step 3: Cross multiply
    282,255.25x = 389,335.07 × 167,452.61
  4. Step 4: Simplify right side
    282,255.25x = 65,195,173,636.03
  5. Step 5: Solve for x
    x = 65,195,173,636.03/282,255.25
  6. Step 6: Final answer
    x = 230,979.49

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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.