Home / 111,919.40-167,879.10-94,204.70

Finding the Fourth Proportional to 111,919.40, 167,879.10 and 94,204.70

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Solution

The fourth proportional to 111,919.40, 167,879.10 and 94,204.70 is: 141,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,919.40 : 167,879.10 = 94,204.70 : x
  2. Step 2: Convert to fraction form
    111,919.40/167,879.10 = 94,204.70/x
  3. Step 3: Cross multiply
    111,919.40x = 167,879.10 × 94,204.70
  4. Step 4: Simplify right side
    111,919.40x = 15,815,000,251.77
  5. Step 5: Solve for x
    x = 15,815,000,251.77/111,919.40
  6. Step 6: Final answer
    x = 141,307.05

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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.