Home / 187,550.84-258,820.26-102,667.88

Finding the Fourth Proportional to 187,550.84, 258,820.26 and 102,667.88

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Solution

The fourth proportional to 187,550.84, 258,820.26 and 102,667.88 is: 141,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,550.84 : 258,820.26 = 102,667.88 : x
  2. Step 2: Convert to fraction form
    187,550.84/258,820.26 = 102,667.88/x
  3. Step 3: Cross multiply
    187,550.84x = 258,820.26 × 102,667.88
  4. Step 4: Simplify right side
    187,550.84x = 26,572,527,395.25
  5. Step 5: Solve for x
    x = 26,572,527,395.25/187,550.84
  6. Step 6: Final answer
    x = 141,681.73

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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.