Home / 133,226.08-200,093.46-77,178.76

Finding the Fourth Proportional to 133,226.08, 200,093.46 and 77,178.76

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Solution

The fourth proportional to 133,226.08, 200,093.46 and 77,178.76 is: 115,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,226.08 : 200,093.46 = 77,178.76 : x
  2. Step 2: Convert to fraction form
    133,226.08/200,093.46 = 77,178.76/x
  3. Step 3: Cross multiply
    133,226.08x = 200,093.46 × 77,178.76
  4. Step 4: Simplify right side
    133,226.08x = 15,442,965,126.91
  5. Step 5: Solve for x
    x = 15,442,965,126.91/133,226.08
  6. Step 6: Final answer
    x = 115,915.48

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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.