Home / 240,811.30-332,322-145,299.58

Finding the Fourth Proportional to 240,811.30, 332,322 and 145,299.58

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Solution

The fourth proportional to 240,811.30, 332,322 and 145,299.58 is: 200,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,811.30 : 332,322 = 145,299.58 : x
  2. Step 2: Convert to fraction form
    240,811.30/332,322 = 145,299.58/x
  3. Step 3: Cross multiply
    240,811.30x = 332,322 × 145,299.58
  4. Step 4: Simplify right side
    240,811.30x = 48,286,247,024.76
  5. Step 5: Solve for x
    x = 48,286,247,024.76/240,811.30
  6. Step 6: Final answer
    x = 200,514.87

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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.