Home / 141,287-194,863.28-92,938.56

Finding the Fourth Proportional to 141,287, 194,863.28 and 92,938.56

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Solution

The fourth proportional to 141,287, 194,863.28 and 92,938.56 is: 128,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,287 : 194,863.28 = 92,938.56 : x
  2. Step 2: Convert to fraction form
    141,287/194,863.28 = 92,938.56/x
  3. Step 3: Cross multiply
    141,287x = 194,863.28 × 92,938.56
  4. Step 4: Simplify right side
    141,287x = 18,110,312,640.08
  5. Step 5: Solve for x
    x = 18,110,312,640.08/141,287
  6. Step 6: Final answer
    x = 128,181.03

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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.