Home / 235,741.32-325,176.12-143,818.74

Finding the Fourth Proportional to 235,741.32, 325,176.12 and 143,818.74

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Solution

The fourth proportional to 235,741.32, 325,176.12 and 143,818.74 is: 198,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,741.32 : 325,176.12 = 143,818.74 : x
  2. Step 2: Convert to fraction form
    235,741.32/325,176.12 = 143,818.74/x
  3. Step 3: Cross multiply
    235,741.32x = 325,176.12 × 143,818.74
  4. Step 4: Simplify right side
    235,741.32x = 46,766,419,856.49
  5. Step 5: Solve for x
    x = 46,766,419,856.49/235,741.32
  6. Step 6: Final answer
    x = 198,380.24

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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.