Home / 187,149.26-258,292.32-119,144.50

Finding the Fourth Proportional to 187,149.26, 258,292.32 and 119,144.50

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Solution

The fourth proportional to 187,149.26, 258,292.32 and 119,144.50 is: 164,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,149.26 : 258,292.32 = 119,144.50 : x
  2. Step 2: Convert to fraction form
    187,149.26/258,292.32 = 119,144.50/x
  3. Step 3: Cross multiply
    187,149.26x = 258,292.32 × 119,144.50
  4. Step 4: Simplify right side
    187,149.26x = 30,774,109,320.24
  5. Step 5: Solve for x
    x = 30,774,109,320.24/187,149.26
  6. Step 6: Final answer
    x = 164,436.18

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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.