Home / 269,285.20-403,927.80-82,296.40

Finding the Fourth Proportional to 269,285.20, 403,927.80 and 82,296.40

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Solution

The fourth proportional to 269,285.20, 403,927.80 and 82,296.40 is: 123,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,285.20 : 403,927.80 = 82,296.40 : x
  2. Step 2: Convert to fraction form
    269,285.20/403,927.80 = 82,296.40/x
  3. Step 3: Cross multiply
    269,285.20x = 403,927.80 × 82,296.40
  4. Step 4: Simplify right side
    269,285.20x = 33,241,803,799.92
  5. Step 5: Solve for x
    x = 33,241,803,799.92/269,285.20
  6. Step 6: Final answer
    x = 123,444.60

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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.