Home / 226,766.38-312,832.90-146,219.78

Finding the Fourth Proportional to 226,766.38, 312,832.90 and 146,219.78

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Solution

The fourth proportional to 226,766.38, 312,832.90 and 146,219.78 is: 201,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,766.38 : 312,832.90 = 146,219.78 : x
  2. Step 2: Convert to fraction form
    226,766.38/312,832.90 = 146,219.78/x
  3. Step 3: Cross multiply
    226,766.38x = 312,832.90 × 146,219.78
  4. Step 4: Simplify right side
    226,766.38x = 45,742,355,519.50
  5. Step 5: Solve for x
    x = 45,742,355,519.50/226,766.38
  6. Step 6: Final answer
    x = 201,715.77

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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.