Home / 226,219.12-312,196.44-125,617.84

Finding the Fourth Proportional to 226,219.12, 312,196.44 and 125,617.84

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Solution

The fourth proportional to 226,219.12, 312,196.44 and 125,617.84 is: 173,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,219.12 : 312,196.44 = 125,617.84 : x
  2. Step 2: Convert to fraction form
    226,219.12/312,196.44 = 125,617.84/x
  3. Step 3: Cross multiply
    226,219.12x = 312,196.44 × 125,617.84
  4. Step 4: Simplify right side
    226,219.12x = 39,217,442,448.49
  5. Step 5: Solve for x
    x = 39,217,442,448.49/226,219.12
  6. Step 6: Final answer
    x = 173,360.42

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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.