Home / 224,103.15-309,253.34-122,126.42

Finding the Fourth Proportional to 224,103.15, 309,253.34 and 122,126.42

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Solution

The fourth proportional to 224,103.15, 309,253.34 and 122,126.42 is: 168,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,103.15 : 309,253.34 = 122,126.42 : x
  2. Step 2: Convert to fraction form
    224,103.15/309,253.34 = 122,126.42/x
  3. Step 3: Cross multiply
    224,103.15x = 309,253.34 × 122,126.42
  4. Step 4: Simplify right side
    224,103.15x = 37,768,004,365.69
  5. Step 5: Solve for x
    x = 37,768,004,365.69/224,103.15
  6. Step 6: Final answer
    x = 168,529.56

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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.