Home / 222,740.12-307,399.11-125,964.36

Finding the Fourth Proportional to 222,740.12, 307,399.11 and 125,964.36

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Solution

The fourth proportional to 222,740.12, 307,399.11 and 125,964.36 is: 173,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,740.12 : 307,399.11 = 125,964.36 : x
  2. Step 2: Convert to fraction form
    222,740.12/307,399.11 = 125,964.36/x
  3. Step 3: Cross multiply
    222,740.12x = 307,399.11 × 125,964.36
  4. Step 4: Simplify right side
    222,740.12x = 38,721,332,155.72
  5. Step 5: Solve for x
    x = 38,721,332,155.72/222,740.12
  6. Step 6: Final answer
    x = 173,840.86

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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.