Home / 187,469.17-258,712.53-114,870.80

Finding the Fourth Proportional to 187,469.17, 258,712.53 and 114,870.80

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Solution

The fourth proportional to 187,469.17, 258,712.53 and 114,870.80 is: 158,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,469.17 : 258,712.53 = 114,870.80 : x
  2. Step 2: Convert to fraction form
    187,469.17/258,712.53 = 114,870.80/x
  3. Step 3: Cross multiply
    187,469.17x = 258,712.53 × 114,870.80
  4. Step 4: Simplify right side
    187,469.17x = 29,718,515,291.12
  5. Step 5: Solve for x
    x = 29,718,515,291.12/187,469.17
  6. Step 6: Final answer
    x = 158,524.81

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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.