Home / 231,285.77-319,186.55-140,626.73

Finding the Fourth Proportional to 231,285.77, 319,186.55 and 140,626.73

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Solution

The fourth proportional to 231,285.77, 319,186.55 and 140,626.73 is: 194,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,285.77 : 319,186.55 = 140,626.73 : x
  2. Step 2: Convert to fraction form
    231,285.77/319,186.55 = 140,626.73/x
  3. Step 3: Cross multiply
    231,285.77x = 319,186.55 × 140,626.73
  4. Step 4: Simplify right side
    231,285.77x = 44,886,159,542.12
  5. Step 5: Solve for x
    x = 44,886,159,542.12/231,285.77
  6. Step 6: Final answer
    x = 194,072.29

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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.