Home / 269,283.20-403,924.80-82,294.40

Finding the Fourth Proportional to 269,283.20, 403,924.80 and 82,294.40

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Solution

The fourth proportional to 269,283.20, 403,924.80 and 82,294.40 is: 123,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,283.20 : 403,924.80 = 82,294.40 : x
  2. Step 2: Convert to fraction form
    269,283.20/403,924.80 = 82,294.40/x
  3. Step 3: Cross multiply
    269,283.20x = 403,924.80 × 82,294.40
  4. Step 4: Simplify right side
    269,283.20x = 33,240,749,061.12
  5. Step 5: Solve for x
    x = 33,240,749,061.12/269,283.20
  6. Step 6: Final answer
    x = 123,441.60

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1.5x scale

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.