Home / 323,921.50-446,983.65-209,205.15

Finding the Fourth Proportional to 323,921.50, 446,983.65 and 209,205.15

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Solution

The fourth proportional to 323,921.50, 446,983.65 and 209,205.15 is: 288,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,921.50 : 446,983.65 = 209,205.15 : x
  2. Step 2: Convert to fraction form
    323,921.50/446,983.65 = 209,205.15/x
  3. Step 3: Cross multiply
    323,921.50x = 446,983.65 × 209,205.15
  4. Step 4: Simplify right side
    323,921.50x = 93,511,281,545.80
  5. Step 5: Solve for x
    x = 93,511,281,545.80/323,921.50
  6. Step 6: Final answer
    x = 288,685.01

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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.