Home / 403,832.01-605,631.38-137,586.63

Finding the Fourth Proportional to 403,832.01, 605,631.38 and 137,586.63

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Solution

The fourth proportional to 403,832.01, 605,631.38 and 137,586.63 is: 206,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,832.01 : 605,631.38 = 137,586.63 : x
  2. Step 2: Convert to fraction form
    403,832.01/605,631.38 = 137,586.63/x
  3. Step 3: Cross multiply
    403,832.01x = 605,631.38 × 137,586.63
  4. Step 4: Simplify right side
    403,832.01x = 83,326,780,596.45
  5. Step 5: Solve for x
    x = 83,326,780,596.45/403,832.01
  6. Step 6: Final answer
    x = 206,340.21

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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.