Home / 187,686.18-259,006.99-102,806.30

Finding the Fourth Proportional to 187,686.18, 259,006.99 and 102,806.30

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Solution

The fourth proportional to 187,686.18, 259,006.99 and 102,806.30 is: 141,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,686.18 : 259,006.99 = 102,806.30 : x
  2. Step 2: Convert to fraction form
    187,686.18/259,006.99 = 102,806.30/x
  3. Step 3: Cross multiply
    187,686.18x = 259,006.99 × 102,806.30
  4. Step 4: Simplify right side
    187,686.18x = 26,627,550,316.04
  5. Step 5: Solve for x
    x = 26,627,550,316.04/187,686.18
  6. Step 6: Final answer
    x = 141,872.73

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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.