Home / 160,975.42-222,146.96-100,581.14

Finding the Fourth Proportional to 160,975.42, 222,146.96 and 100,581.14

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Solution

The fourth proportional to 160,975.42, 222,146.96 and 100,581.14 is: 138,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,975.42 : 222,146.96 = 100,581.14 : x
  2. Step 2: Convert to fraction form
    160,975.42/222,146.96 = 100,581.14/x
  3. Step 3: Cross multiply
    160,975.42x = 222,146.96 × 100,581.14
  4. Step 4: Simplify right side
    160,975.42x = 22,343,794,536.80
  5. Step 5: Solve for x
    x = 22,343,794,536.80/160,975.42
  6. Step 6: Final answer
    x = 138,802.53

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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.