Home / 304,063.56-456,122.07-79,422.21

Finding the Fourth Proportional to 304,063.56, 456,122.07 and 79,422.21

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Solution

The fourth proportional to 304,063.56, 456,122.07 and 79,422.21 is: 119,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,063.56 : 456,122.07 = 79,422.21 : x
  2. Step 2: Convert to fraction form
    304,063.56/456,122.07 = 79,422.21/x
  3. Step 3: Cross multiply
    304,063.56x = 456,122.07 × 79,422.21
  4. Step 4: Simplify right side
    304,063.56x = 36,226,222,829.17
  5. Step 5: Solve for x
    x = 36,226,222,829.17/304,063.56
  6. Step 6: Final answer
    x = 119,140.30

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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.