Home / 220,340.24-304,069.56-119,738

Finding the Fourth Proportional to 220,340.24, 304,069.56 and 119,738

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Solution

The fourth proportional to 220,340.24, 304,069.56 and 119,738 is: 165,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,340.24 : 304,069.56 = 119,738 : x
  2. Step 2: Convert to fraction form
    220,340.24/304,069.56 = 119,738/x
  3. Step 3: Cross multiply
    220,340.24x = 304,069.56 × 119,738
  4. Step 4: Simplify right side
    220,340.24x = 36,408,680,975.28
  5. Step 5: Solve for x
    x = 36,408,680,975.28/220,340.24
  6. Step 6: Final answer
    x = 165,238.46

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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.