Home / 141,211.82-194,823.58-90,254.38

Finding the Fourth Proportional to 141,211.82, 194,823.58 and 90,254.38

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Solution

The fourth proportional to 141,211.82, 194,823.58 and 90,254.38 is: 124,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,211.82 : 194,823.58 = 90,254.38 : x
  2. Step 2: Convert to fraction form
    141,211.82/194,823.58 = 90,254.38/x
  3. Step 3: Cross multiply
    141,211.82x = 194,823.58 × 90,254.38
  4. Step 4: Simplify right side
    141,211.82x = 17,583,681,422.28
  5. Step 5: Solve for x
    x = 17,583,681,422.28/141,211.82
  6. Step 6: Final answer
    x = 124,519.90

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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.