Home / 199,683.42-275,563.62-109,040.10

Finding the Fourth Proportional to 199,683.42, 275,563.62 and 109,040.10

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Solution

The fourth proportional to 199,683.42, 275,563.62 and 109,040.10 is: 150,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,683.42 : 275,563.62 = 109,040.10 : x
  2. Step 2: Convert to fraction form
    199,683.42/275,563.62 = 109,040.10/x
  3. Step 3: Cross multiply
    199,683.42x = 275,563.62 × 109,040.10
  4. Step 4: Simplify right side
    199,683.42x = 30,047,484,681.16
  5. Step 5: Solve for x
    x = 30,047,484,681.16/199,683.42
  6. Step 6: Final answer
    x = 150,475.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.