Home / 311,981.62-430,559.14-184,727.38

Finding the Fourth Proportional to 311,981.62, 430,559.14 and 184,727.38

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Solution

The fourth proportional to 311,981.62, 430,559.14 and 184,727.38 is: 254,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,981.62 : 430,559.14 = 184,727.38 : x
  2. Step 2: Convert to fraction form
    311,981.62/430,559.14 = 184,727.38/x
  3. Step 3: Cross multiply
    311,981.62x = 430,559.14 × 184,727.38
  4. Step 4: Simplify right side
    311,981.62x = 79,536,061,867.25
  5. Step 5: Solve for x
    x = 79,536,061,867.25/311,981.62
  6. Step 6: Final answer
    x = 254,938.29

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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.