Home / 220,558.16-330,870.04-102,241.46

Finding the Fourth Proportional to 220,558.16, 330,870.04 and 102,241.46

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Solution

The fourth proportional to 220,558.16, 330,870.04 and 102,241.46 is: 153,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,558.16 : 330,870.04 = 102,241.46 : x
  2. Step 2: Convert to fraction form
    220,558.16/330,870.04 = 102,241.46/x
  3. Step 3: Cross multiply
    220,558.16x = 330,870.04 × 102,241.46
  4. Step 4: Simplify right side
    220,558.16x = 33,828,635,959.86
  5. Step 5: Solve for x
    x = 33,828,635,959.86/220,558.16
  6. Step 6: Final answer
    x = 153,377.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.