Home / 187,198.66-258,330.35-102,316.33

Finding the Fourth Proportional to 187,198.66, 258,330.35 and 102,316.33

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Solution

The fourth proportional to 187,198.66, 258,330.35 and 102,316.33 is: 141,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,198.66 : 258,330.35 = 102,316.33 : x
  2. Step 2: Convert to fraction form
    187,198.66/258,330.35 = 102,316.33/x
  3. Step 3: Cross multiply
    187,198.66x = 258,330.35 × 102,316.33
  4. Step 4: Simplify right side
    187,198.66x = 26,431,411,536.38
  5. Step 5: Solve for x
    x = 26,431,411,536.38/187,198.66
  6. Step 6: Final answer
    x = 141,194.45

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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.