Home / 160,670.75-221,720.96-88,072.13

Finding the Fourth Proportional to 160,670.75, 221,720.96 and 88,072.13

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Solution

The fourth proportional to 160,670.75, 221,720.96 and 88,072.13 is: 121,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,670.75 : 221,720.96 = 88,072.13 : x
  2. Step 2: Convert to fraction form
    160,670.75/221,720.96 = 88,072.13/x
  3. Step 3: Cross multiply
    160,670.75x = 221,720.96 × 88,072.13
  4. Step 4: Simplify right side
    160,670.75x = 19,527,435,663.88
  5. Step 5: Solve for x
    x = 19,527,435,663.88/160,670.75
  6. Step 6: Final answer
    x = 121,536.97

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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.