Home / 199,465.16-275,262.18-108,820.84

Finding the Fourth Proportional to 199,465.16, 275,262.18 and 108,820.84

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Solution

The fourth proportional to 199,465.16, 275,262.18 and 108,820.84 is: 150,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,465.16 : 275,262.18 = 108,820.84 : x
  2. Step 2: Convert to fraction form
    199,465.16/275,262.18 = 108,820.84/x
  3. Step 3: Cross multiply
    199,465.16x = 275,262.18 × 108,820.84
  4. Step 4: Simplify right side
    199,465.16x = 29,954,261,647.83
  5. Step 5: Solve for x
    x = 29,954,261,647.83/199,465.16
  6. Step 6: Final answer
    x = 150,172.90

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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.