Home / 100,155.20-150,016.80-94,266.69

Finding the Fourth Proportional to 100,155.20, 150,016.80 and 94,266.69

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Solution

The fourth proportional to 100,155.20, 150,016.80 and 94,266.69 is: 141,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,155.20 : 150,016.80 = 94,266.69 : x
  2. Step 2: Convert to fraction form
    100,155.20/150,016.80 = 94,266.69/x
  3. Step 3: Cross multiply
    100,155.20x = 150,016.80 × 94,266.69
  4. Step 4: Simplify right side
    100,155.20x = 14,141,587,180.39
  5. Step 5: Solve for x
    x = 14,141,587,180.39/100,155.20
  6. Step 6: Final answer
    x = 141,196.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.