Home / 231,278.76-319,147.07-140,622.14

Finding the Fourth Proportional to 231,278.76, 319,147.07 and 140,622.14

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Solution

The fourth proportional to 231,278.76, 319,147.07 and 140,622.14 is: 194,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,278.76 : 319,147.07 = 140,622.14 : x
  2. Step 2: Convert to fraction form
    231,278.76/319,147.07 = 140,622.14/x
  3. Step 3: Cross multiply
    231,278.76x = 319,147.07 × 140,622.14
  4. Step 4: Simplify right side
    231,278.76x = 44,879,143,958.13
  5. Step 5: Solve for x
    x = 44,879,143,958.13/231,278.76
  6. Step 6: Final answer
    x = 194,047.84

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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.