Home / 199,647.46-275,447.34-131,698.18

Finding the Fourth Proportional to 199,647.46, 275,447.34 and 131,698.18

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Solution

The fourth proportional to 199,647.46, 275,447.34 and 131,698.18 is: 181,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,647.46 : 275,447.34 = 131,698.18 : x
  2. Step 2: Convert to fraction form
    199,647.46/275,447.34 = 131,698.18/x
  3. Step 3: Cross multiply
    199,647.46x = 275,447.34 × 131,698.18
  4. Step 4: Simplify right side
    199,647.46x = 36,275,913,363.84
  5. Step 5: Solve for x
    x = 36,275,913,363.84/199,647.46
  6. Step 6: Final answer
    x = 181,699.85

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1.5x scale

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.