Home / 187,527.25-258,790.05-102,642.49

Finding the Fourth Proportional to 187,527.25, 258,790.05 and 102,642.49

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Solution

The fourth proportional to 187,527.25, 258,790.05 and 102,642.49 is: 141,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,527.25 : 258,790.05 = 102,642.49 : x
  2. Step 2: Convert to fraction form
    187,527.25/258,790.05 = 102,642.49/x
  3. Step 3: Cross multiply
    187,527.25x = 258,790.05 × 102,642.49
  4. Step 4: Simplify right side
    187,527.25x = 26,562,855,119.22
  5. Step 5: Solve for x
    x = 26,562,855,119.22/187,527.25
  6. Step 6: Final answer
    x = 141,647.97

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1.5x scale

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.