Home / 161,943.41-223,366.23-140,394.65

Finding the Fourth Proportional to 161,943.41, 223,366.23 and 140,394.65

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Solution

The fourth proportional to 161,943.41, 223,366.23 and 140,394.65 is: 193,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,943.41 : 223,366.23 = 140,394.65 : x
  2. Step 2: Convert to fraction form
    161,943.41/223,366.23 = 140,394.65/x
  3. Step 3: Cross multiply
    161,943.41x = 223,366.23 × 140,394.65
  4. Step 4: Simplify right side
    161,943.41x = 31,359,422,565.84
  5. Step 5: Solve for x
    x = 31,359,422,565.84/161,943.41
  6. Step 6: Final answer
    x = 193,644.32

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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.