Home / 403,168.10-604,608.06-133,246.29

Finding the Fourth Proportional to 403,168.10, 604,608.06 and 133,246.29

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Solution

The fourth proportional to 403,168.10, 604,608.06 and 133,246.29 is: 199,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,168.10 : 604,608.06 = 133,246.29 : x
  2. Step 2: Convert to fraction form
    403,168.10/604,608.06 = 133,246.29/x
  3. Step 3: Cross multiply
    403,168.10x = 604,608.06 × 133,246.29
  4. Step 4: Simplify right side
    403,168.10x = 80,561,780,899.10
  5. Step 5: Solve for x
    x = 80,561,780,899.10/403,168.10
  6. Step 6: Final answer
    x = 199,821.82

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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.