Home / 187,723.65-259,057.31-101,680.69

Finding the Fourth Proportional to 187,723.65, 259,057.31 and 101,680.69

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Solution

The fourth proportional to 187,723.65, 259,057.31 and 101,680.69 is: 140,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,723.65 : 259,057.31 = 101,680.69 : x
  2. Step 2: Convert to fraction form
    187,723.65/259,057.31 = 101,680.69/x
  3. Step 3: Cross multiply
    187,723.65x = 259,057.31 × 101,680.69
  4. Step 4: Simplify right side
    187,723.65x = 26,341,126,030.34
  5. Step 5: Solve for x
    x = 26,341,126,030.34/187,723.65
  6. Step 6: Final answer
    x = 140,318.63

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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.