Home / 121,958.05-182,937.08-80,395.33

Finding the Fourth Proportional to 121,958.05, 182,937.08 and 80,395.33

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Solution

The fourth proportional to 121,958.05, 182,937.08 and 80,395.33 is: 120,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,958.05 : 182,937.08 = 80,395.33 : x
  2. Step 2: Convert to fraction form
    121,958.05/182,937.08 = 80,395.33/x
  3. Step 3: Cross multiply
    121,958.05x = 182,937.08 × 80,395.33
  4. Step 4: Simplify right side
    121,958.05x = 14,707,286,915.84
  5. Step 5: Solve for x
    x = 14,707,286,915.84/121,958.05
  6. Step 6: Final answer
    x = 120,593.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.