Home / 187,836.27-259,224.65-111,400.62

Finding the Fourth Proportional to 187,836.27, 259,224.65 and 111,400.62

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Solution

The fourth proportional to 187,836.27, 259,224.65 and 111,400.62 is: 153,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,836.27 : 259,224.65 = 111,400.62 : x
  2. Step 2: Convert to fraction form
    187,836.27/259,224.65 = 111,400.62/x
  3. Step 3: Cross multiply
    187,836.27x = 259,224.65 × 111,400.62
  4. Step 4: Simplify right side
    187,836.27x = 28,877,786,244.57
  5. Step 5: Solve for x
    x = 28,877,786,244.57/187,836.27
  6. Step 6: Final answer
    x = 153,739.14

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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.