Home / 231,286.02-319,186.90-140,626.98

Finding the Fourth Proportional to 231,286.02, 319,186.90 and 140,626.98

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Solution

The fourth proportional to 231,286.02, 319,186.90 and 140,626.98 is: 194,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,286.02 : 319,186.90 = 140,626.98 : x
  2. Step 2: Convert to fraction form
    231,286.02/319,186.90 = 140,626.98/x
  3. Step 3: Cross multiply
    231,286.02x = 319,186.90 × 140,626.98
  4. Step 4: Simplify right side
    231,286.02x = 44,886,289,802.56
  5. Step 5: Solve for x
    x = 44,886,289,802.56/231,286.02
  6. Step 6: Final answer
    x = 194,072.65

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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.