Home / 187,110.08-258,125.28-107,576

Finding the Fourth Proportional to 187,110.08, 258,125.28 and 107,576

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Solution

The fourth proportional to 187,110.08, 258,125.28 and 107,576 is: 148,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,110.08 : 258,125.28 = 107,576 : x
  2. Step 2: Convert to fraction form
    187,110.08/258,125.28 = 107,576/x
  3. Step 3: Cross multiply
    187,110.08x = 258,125.28 × 107,576
  4. Step 4: Simplify right side
    187,110.08x = 27,768,085,121.28
  5. Step 5: Solve for x
    x = 27,768,085,121.28/187,110.08
  6. Step 6: Final answer
    x = 148,405.07

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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.