Home / 324,000.20-447,111.60-180,756.56

Finding the Fourth Proportional to 324,000.20, 447,111.60 and 180,756.56

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Solution

The fourth proportional to 324,000.20, 447,111.60 and 180,756.56 is: 249,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,000.20 : 447,111.60 = 180,756.56 : x
  2. Step 2: Convert to fraction form
    324,000.20/447,111.60 = 180,756.56/x
  3. Step 3: Cross multiply
    324,000.20x = 447,111.60 × 180,756.56
  4. Step 4: Simplify right side
    324,000.20x = 80,818,354,752.10
  5. Step 5: Solve for x
    x = 80,818,354,752.10/324,000.20
  6. Step 6: Final answer
    x = 249,439.21

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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.