Home / 265,904.10-398,523.56-132,821.51

Finding the Fourth Proportional to 265,904.10, 398,523.56 and 132,821.51

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Solution

The fourth proportional to 265,904.10, 398,523.56 and 132,821.51 is: 199,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,904.10 : 398,523.56 = 132,821.51 : x
  2. Step 2: Convert to fraction form
    265,904.10/398,523.56 = 132,821.51/x
  3. Step 3: Cross multiply
    265,904.10x = 398,523.56 × 132,821.51
  4. Step 4: Simplify right side
    265,904.10x = 52,932,498,353.05
  5. Step 5: Solve for x
    x = 52,932,498,353.05/265,904.10
  6. Step 6: Final answer
    x = 199,066.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.