Home / 220,970.52-304,928.82-125,464.50

Finding the Fourth Proportional to 220,970.52, 304,928.82 and 125,464.50

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Solution

The fourth proportional to 220,970.52, 304,928.82 and 125,464.50 is: 173,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,970.52 : 304,928.82 = 125,464.50 : x
  2. Step 2: Convert to fraction form
    220,970.52/304,928.82 = 125,464.50/x
  3. Step 3: Cross multiply
    220,970.52x = 304,928.82 × 125,464.50
  4. Step 4: Simplify right side
    220,970.52x = 38,257,741,936.89
  5. Step 5: Solve for x
    x = 38,257,741,936.89/220,970.52
  6. Step 6: Final answer
    x = 173,135.05

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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.