Home / 187,370.51-258,568.49-111,904.43

Finding the Fourth Proportional to 187,370.51, 258,568.49 and 111,904.43

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Solution

The fourth proportional to 187,370.51, 258,568.49 and 111,904.43 is: 154,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,370.51 : 258,568.49 = 111,904.43 : x
  2. Step 2: Convert to fraction form
    187,370.51/258,568.49 = 111,904.43/x
  3. Step 3: Cross multiply
    187,370.51x = 258,568.49 × 111,904.43
  4. Step 4: Simplify right side
    187,370.51x = 28,934,958,929.89
  5. Step 5: Solve for x
    x = 28,934,958,929.89/187,370.51
  6. Step 6: Final answer
    x = 154,426.43

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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.