Home / 187,628.13-258,928.91-101,589.02

Finding the Fourth Proportional to 187,628.13, 258,928.91 and 101,589.02

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Solution

The fourth proportional to 187,628.13, 258,928.91 and 101,589.02 is: 140,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,628.13 : 258,928.91 = 101,589.02 : x
  2. Step 2: Convert to fraction form
    187,628.13/258,928.91 = 101,589.02/x
  3. Step 3: Cross multiply
    187,628.13x = 258,928.91 × 101,589.02
  4. Step 4: Simplify right side
    187,628.13x = 26,304,334,216.57
  5. Step 5: Solve for x
    x = 26,304,334,216.57/187,628.13
  6. Step 6: Final answer
    x = 140,193.98

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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.