Home / 149,314.28-206,038.76-91,944.41

Finding the Fourth Proportional to 149,314.28, 206,038.76 and 91,944.41

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Solution

The fourth proportional to 149,314.28, 206,038.76 and 91,944.41 is: 126,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,314.28 : 206,038.76 = 91,944.41 : x
  2. Step 2: Convert to fraction form
    149,314.28/206,038.76 = 91,944.41/x
  3. Step 3: Cross multiply
    149,314.28x = 206,038.76 × 91,944.41
  4. Step 4: Simplify right side
    149,314.28x = 18,944,110,735.42
  5. Step 5: Solve for x
    x = 18,944,110,735.42/149,314.28
  6. Step 6: Final answer
    x = 126,874.08

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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.