Home / 276,128.46-412,176.78-236,937.42

Finding the Fourth Proportional to 276,128.46, 412,176.78 and 236,937.42

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Solution

The fourth proportional to 276,128.46, 412,176.78 and 236,937.42 is: 353,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,128.46 : 412,176.78 = 236,937.42 : x
  2. Step 2: Convert to fraction form
    276,128.46/412,176.78 = 236,937.42/x
  3. Step 3: Cross multiply
    276,128.46x = 412,176.78 × 236,937.42
  4. Step 4: Simplify right side
    276,128.46x = 97,660,102,837.11
  5. Step 5: Solve for x
    x = 97,660,102,837.11/276,128.46
  6. Step 6: Final answer
    x = 353,676.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.