Home / 303,108.44-418,270.20-167,143.38

Finding the Fourth Proportional to 303,108.44, 418,270.20 and 167,143.38

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Solution

The fourth proportional to 303,108.44, 418,270.20 and 167,143.38 is: 230,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,108.44 : 418,270.20 = 167,143.38 : x
  2. Step 2: Convert to fraction form
    303,108.44/418,270.20 = 167,143.38/x
  3. Step 3: Cross multiply
    303,108.44x = 418,270.20 × 167,143.38
  4. Step 4: Simplify right side
    303,108.44x = 69,911,094,981.28
  5. Step 5: Solve for x
    x = 69,911,094,981.28/303,108.44
  6. Step 6: Final answer
    x = 230,647.14

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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.