Home / 154,049.27-212,584.07-86,066.75

Finding the Fourth Proportional to 154,049.27, 212,584.07 and 86,066.75

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Solution

The fourth proportional to 154,049.27, 212,584.07 and 86,066.75 is: 118,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,049.27 : 212,584.07 = 86,066.75 : x
  2. Step 2: Convert to fraction form
    154,049.27/212,584.07 = 86,066.75/x
  3. Step 3: Cross multiply
    154,049.27x = 212,584.07 × 86,066.75
  4. Step 4: Simplify right side
    154,049.27x = 18,296,418,513.42
  5. Step 5: Solve for x
    x = 18,296,418,513.42/154,049.27
  6. Step 6: Final answer
    x = 118,769.92

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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.