Home / 221,566.16-305,768.04-126,086.60

Finding the Fourth Proportional to 221,566.16, 305,768.04 and 126,086.60

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Solution

The fourth proportional to 221,566.16, 305,768.04 and 126,086.60 is: 174,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,566.16 : 305,768.04 = 126,086.60 : x
  2. Step 2: Convert to fraction form
    221,566.16/305,768.04 = 126,086.60/x
  3. Step 3: Cross multiply
    221,566.16x = 305,768.04 × 126,086.60
  4. Step 4: Simplify right side
    221,566.16x = 38,553,252,552.26
  5. Step 5: Solve for x
    x = 38,553,252,552.26/221,566.16
  6. Step 6: Final answer
    x = 174,003.34

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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.