Home / 187,606.84-258,899.09-111,130.29

Finding the Fourth Proportional to 187,606.84, 258,899.09 and 111,130.29

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Solution

The fourth proportional to 187,606.84, 258,899.09 and 111,130.29 is: 153,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,606.84 : 258,899.09 = 111,130.29 : x
  2. Step 2: Convert to fraction form
    187,606.84/258,899.09 = 111,130.29/x
  3. Step 3: Cross multiply
    187,606.84x = 258,899.09 × 111,130.29
  4. Step 4: Simplify right side
    187,606.84x = 28,771,530,952.44
  5. Step 5: Solve for x
    x = 28,771,530,952.44/187,606.84
  6. Step 6: Final answer
    x = 153,360.78

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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.