Home / 168,242.73-232,148.43-100,258.02

Finding the Fourth Proportional to 168,242.73, 232,148.43 and 100,258.02

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Solution

The fourth proportional to 168,242.73, 232,148.43 and 100,258.02 is: 138,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,242.73 : 232,148.43 = 100,258.02 : x
  2. Step 2: Convert to fraction form
    168,242.73/232,148.43 = 100,258.02/x
  3. Step 3: Cross multiply
    168,242.73x = 232,148.43 × 100,258.02
  4. Step 4: Simplify right side
    168,242.73x = 23,274,741,937.91
  5. Step 5: Solve for x
    x = 23,274,741,937.91/168,242.73
  6. Step 6: Final answer
    x = 138,340.25

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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.