Home / 160,468.34-221,449.77-87,874.29

Finding the Fourth Proportional to 160,468.34, 221,449.77 and 87,874.29

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Solution

The fourth proportional to 160,468.34, 221,449.77 and 87,874.29 is: 121,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,468.34 : 221,449.77 = 87,874.29 : x
  2. Step 2: Convert to fraction form
    160,468.34/221,449.77 = 87,874.29/x
  3. Step 3: Cross multiply
    160,468.34x = 221,449.77 × 87,874.29
  4. Step 4: Simplify right side
    160,468.34x = 19,459,741,309.41
  5. Step 5: Solve for x
    x = 19,459,741,309.41/160,468.34
  6. Step 6: Final answer
    x = 121,268.42

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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.