Home / 423,629.84-635,443.37-153,757.62

Finding the Fourth Proportional to 423,629.84, 635,443.37 and 153,757.62

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Solution

The fourth proportional to 423,629.84, 635,443.37 and 153,757.62 is: 230,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,629.84 : 635,443.37 = 153,757.62 : x
  2. Step 2: Convert to fraction form
    423,629.84/635,443.37 = 153,757.62/x
  3. Step 3: Cross multiply
    423,629.84x = 635,443.37 × 153,757.62
  4. Step 4: Simplify right side
    423,629.84x = 97,704,260,215.98
  5. Step 5: Solve for x
    x = 97,704,260,215.98/423,629.84
  6. Step 6: Final answer
    x = 230,635.93

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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.