Home / 224,221.12-309,420.97-122,247.46

Finding the Fourth Proportional to 224,221.12, 309,420.97 and 122,247.46

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Solution

The fourth proportional to 224,221.12, 309,420.97 and 122,247.46 is: 168,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,221.12 : 309,420.97 = 122,247.46 : x
  2. Step 2: Convert to fraction form
    224,221.12/309,420.97 = 122,247.46/x
  3. Step 3: Cross multiply
    224,221.12x = 309,420.97 × 122,247.46
  4. Step 4: Simplify right side
    224,221.12x = 37,825,928,078.21
  5. Step 5: Solve for x
    x = 37,825,928,078.21/224,221.12
  6. Step 6: Final answer
    x = 168,699.22

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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.