Home / 143,727.68-198,344.19-83,333.41

Finding the Fourth Proportional to 143,727.68, 198,344.19 and 83,333.41

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Solution

The fourth proportional to 143,727.68, 198,344.19 and 83,333.41 is: 115,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,727.68 : 198,344.19 = 83,333.41 : x
  2. Step 2: Convert to fraction form
    143,727.68/198,344.19 = 83,333.41/x
  3. Step 3: Cross multiply
    143,727.68x = 198,344.19 × 83,333.41
  4. Step 4: Simplify right side
    143,727.68x = 16,528,697,523.03
  5. Step 5: Solve for x
    x = 16,528,697,523.03/143,727.68
  6. Step 6: Final answer
    x = 115,000.10

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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.