Home / 187,725.68-259,062.38-102,842.80

Finding the Fourth Proportional to 187,725.68, 259,062.38 and 102,842.80

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Solution

The fourth proportional to 187,725.68, 259,062.38 and 102,842.80 is: 141,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,725.68 : 259,062.38 = 102,842.80 : x
  2. Step 2: Convert to fraction form
    187,725.68/259,062.38 = 102,842.80/x
  3. Step 3: Cross multiply
    187,725.68x = 259,062.38 × 102,842.80
  4. Step 4: Simplify right side
    187,725.68x = 26,642,700,533.86
  5. Step 5: Solve for x
    x = 26,642,700,533.86/187,725.68
  6. Step 6: Final answer
    x = 141,923.58

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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.