Home / 324,138.36-447,333.39-180,926.40

Finding the Fourth Proportional to 324,138.36, 447,333.39 and 180,926.40

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Solution

The fourth proportional to 324,138.36, 447,333.39 and 180,926.40 is: 249,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,138.36 : 447,333.39 = 180,926.40 : x
  2. Step 2: Convert to fraction form
    324,138.36/447,333.39 = 180,926.40/x
  3. Step 3: Cross multiply
    324,138.36x = 447,333.39 × 180,926.40
  4. Step 4: Simplify right side
    324,138.36x = 80,934,419,852.50
  5. Step 5: Solve for x
    x = 80,934,419,852.50/324,138.36
  6. Step 6: Final answer
    x = 249,690.96

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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.