Home / 324,135.50-447,352.06-180,904.76

Finding the Fourth Proportional to 324,135.50, 447,352.06 and 180,904.76

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Solution

The fourth proportional to 324,135.50, 447,352.06 and 180,904.76 is: 249,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,135.50 : 447,352.06 = 180,904.76 : x
  2. Step 2: Convert to fraction form
    324,135.50/447,352.06 = 180,904.76/x
  3. Step 3: Cross multiply
    324,135.50x = 447,352.06 × 180,904.76
  4. Step 4: Simplify right side
    324,135.50x = 80,928,117,049.81
  5. Step 5: Solve for x
    x = 80,928,117,049.81/324,135.50
  6. Step 6: Final answer
    x = 249,673.72

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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.