Home / 235,515.42-325,042.56-140,074.74

Finding the Fourth Proportional to 235,515.42, 325,042.56 and 140,074.74

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Solution

The fourth proportional to 235,515.42, 325,042.56 and 140,074.74 is: 193,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,515.42 : 325,042.56 = 140,074.74 : x
  2. Step 2: Convert to fraction form
    235,515.42/325,042.56 = 140,074.74/x
  3. Step 3: Cross multiply
    235,515.42x = 325,042.56 × 140,074.74
  4. Step 4: Simplify right side
    235,515.42x = 45,530,252,080.93
  5. Step 5: Solve for x
    x = 45,530,252,080.93/235,515.42
  6. Step 6: Final answer
    x = 193,321.75

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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.