Home / 187,098.94-258,196.71-102,217.42

Finding the Fourth Proportional to 187,098.94, 258,196.71 and 102,217.42

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Solution

The fourth proportional to 187,098.94, 258,196.71 and 102,217.42 is: 141,060.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,098.94 : 258,196.71 = 102,217.42 : x
  2. Step 2: Convert to fraction form
    187,098.94/258,196.71 = 102,217.42/x
  3. Step 3: Cross multiply
    187,098.94x = 258,196.71 × 102,217.42
  4. Step 4: Simplify right side
    187,098.94x = 26,392,201,548.69
  5. Step 5: Solve for x
    x = 26,392,201,548.69/187,098.94
  6. Step 6: Final answer
    x = 141,060.13

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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.