Home / 199,646.46-275,445.96-131,697.18

Finding the Fourth Proportional to 199,646.46, 275,445.96 and 131,697.18

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Solution

The fourth proportional to 199,646.46, 275,445.96 and 131,697.18 is: 181,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,646.46 : 275,445.96 = 131,697.18 : x
  2. Step 2: Convert to fraction form
    199,646.46/275,445.96 = 131,697.18/x
  3. Step 3: Cross multiply
    199,646.46x = 275,445.96 × 131,697.18
  4. Step 4: Simplify right side
    199,646.46x = 36,275,456,174.39
  5. Step 5: Solve for x
    x = 36,275,456,174.39/199,646.46
  6. Step 6: Final answer
    x = 181,698.47

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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.