Home / 321,899.34-482,935.13-111,537.28

Finding the Fourth Proportional to 321,899.34, 482,935.13 and 111,537.28

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Solution

The fourth proportional to 321,899.34, 482,935.13 and 111,537.28 is: 167,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,899.34 : 482,935.13 = 111,537.28 : x
  2. Step 2: Convert to fraction form
    321,899.34/482,935.13 = 111,537.28/x
  3. Step 3: Cross multiply
    321,899.34x = 482,935.13 × 111,537.28
  4. Step 4: Simplify right side
    321,899.34x = 53,865,271,280.89
  5. Step 5: Solve for x
    x = 53,865,271,280.89/321,899.34
  6. Step 6: Final answer
    x = 167,335.76

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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.