Home / 292,621.65-438,932.49-82,259.61

Finding the Fourth Proportional to 292,621.65, 438,932.49 and 82,259.61

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Solution

The fourth proportional to 292,621.65, 438,932.49 and 82,259.61 is: 123,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,621.65 : 438,932.49 = 82,259.61 : x
  2. Step 2: Convert to fraction form
    292,621.65/438,932.49 = 82,259.61/x
  3. Step 3: Cross multiply
    292,621.65x = 438,932.49 × 82,259.61
  4. Step 4: Simplify right side
    292,621.65x = 36,106,415,443.73
  5. Step 5: Solve for x
    x = 36,106,415,443.73/292,621.65
  6. Step 6: Final answer
    x = 123,389.42

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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.