Home / 222,471.12-307,015.04-126,975.84

Finding the Fourth Proportional to 222,471.12, 307,015.04 and 126,975.84

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Solution

The fourth proportional to 222,471.12, 307,015.04 and 126,975.84 is: 175,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,471.12 : 307,015.04 = 126,975.84 : x
  2. Step 2: Convert to fraction form
    222,471.12/307,015.04 = 126,975.84/x
  3. Step 3: Cross multiply
    222,471.12x = 307,015.04 × 126,975.84
  4. Step 4: Simplify right side
    222,471.12x = 38,983,492,596.63
  5. Step 5: Solve for x
    x = 38,983,492,596.63/222,471.12
  6. Step 6: Final answer
    x = 175,229.45

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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.