Home / 318,452.57-477,037.69-147,433.22

Finding the Fourth Proportional to 318,452.57, 477,037.69 and 147,433.22

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Solution

The fourth proportional to 318,452.57, 477,037.69 and 147,433.22 is: 220,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,452.57 : 477,037.69 = 147,433.22 : x
  2. Step 2: Convert to fraction form
    318,452.57/477,037.69 = 147,433.22/x
  3. Step 3: Cross multiply
    318,452.57x = 477,037.69 × 147,433.22
  4. Step 4: Simplify right side
    318,452.57x = 70,331,199,944.29
  5. Step 5: Solve for x
    x = 70,331,199,944.29/318,452.57
  6. Step 6: Final answer
    x = 220,852.99

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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.