Home / 187,818.67-259,196.25-102,935.80

Finding the Fourth Proportional to 187,818.67, 259,196.25 and 102,935.80

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Solution

The fourth proportional to 187,818.67, 259,196.25 and 102,935.80 is: 142,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,818.67 : 259,196.25 = 102,935.80 : x
  2. Step 2: Convert to fraction form
    187,818.67/259,196.25 = 102,935.80/x
  3. Step 3: Cross multiply
    187,818.67x = 259,196.25 × 102,935.80
  4. Step 4: Simplify right side
    187,818.67x = 26,680,573,350.75
  5. Step 5: Solve for x
    x = 26,680,573,350.75/187,818.67
  6. Step 6: Final answer
    x = 142,054.96

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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.