Home / 220,698.41-304,559.33-123,904.62

Finding the Fourth Proportional to 220,698.41, 304,559.33 and 123,904.62

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Solution

The fourth proportional to 220,698.41, 304,559.33 and 123,904.62 is: 170,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,698.41 : 304,559.33 = 123,904.62 : x
  2. Step 2: Convert to fraction form
    220,698.41/304,559.33 = 123,904.62/x
  3. Step 3: Cross multiply
    220,698.41x = 304,559.33 × 123,904.62
  4. Step 4: Simplify right side
    220,698.41x = 37,736,307,431.58
  5. Step 5: Solve for x
    x = 37,736,307,431.58/220,698.41
  6. Step 6: Final answer
    x = 170,985.86

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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.