Home / 314,082.75-470,933.85-140,942.73

Finding the Fourth Proportional to 314,082.75, 470,933.85 and 140,942.73

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Solution

The fourth proportional to 314,082.75, 470,933.85 and 140,942.73 is: 211,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,082.75 : 470,933.85 = 140,942.73 : x
  2. Step 2: Convert to fraction form
    314,082.75/470,933.85 = 140,942.73/x
  3. Step 3: Cross multiply
    314,082.75x = 470,933.85 × 140,942.73
  4. Step 4: Simplify right side
    314,082.75x = 66,374,703,688.75
  5. Step 5: Solve for x
    x = 66,374,703,688.75/314,082.75
  6. Step 6: Final answer
    x = 211,328.72

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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.