Home / 762,105.60-1,143,158.91-193,529.34

Finding the Fourth Proportional to 762,105.60, 1,143,158.91 and 193,529.34

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Solution

The fourth proportional to 762,105.60, 1,143,158.91 and 193,529.34 is: 290,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,105.60 : 1,143,158.91 = 193,529.34 : x
  2. Step 2: Convert to fraction form
    762,105.60/1,143,158.91 = 193,529.34/x
  3. Step 3: Cross multiply
    762,105.60x = 1,143,158.91 × 193,529.34
  4. Step 4: Simplify right side
    762,105.60x = 221,234,787,850.56
  5. Step 5: Solve for x
    x = 221,234,787,850.56/762,105.60
  6. Step 6: Final answer
    x = 290,294.14

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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.