Home / 160,788.67-221,990.00-103,454.64

Finding the Fourth Proportional to 160,788.67, 221,990.00 and 103,454.64

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Solution

The fourth proportional to 160,788.67, 221,990.00 and 103,454.64 is: 142,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,788.67 : 221,990.00 = 103,454.64 : x
  2. Step 2: Convert to fraction form
    160,788.67/221,990.00 = 103,454.64/x
  3. Step 3: Cross multiply
    160,788.67x = 221,990.00 × 103,454.64
  4. Step 4: Simplify right side
    160,788.67x = 22,965,895,016.33
  5. Step 5: Solve for x
    x = 22,965,895,016.33/160,788.67
  6. Step 6: Final answer
    x = 142,832.80

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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.