Home / 160,975.28-222,146.75-100,580.96

Finding the Fourth Proportional to 160,975.28, 222,146.75 and 100,580.96

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Solution

The fourth proportional to 160,975.28, 222,146.75 and 100,580.96 is: 138,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,975.28 : 222,146.75 = 100,580.96 : x
  2. Step 2: Convert to fraction form
    160,975.28/222,146.75 = 100,580.96/x
  3. Step 3: Cross multiply
    160,975.28x = 222,146.75 × 100,580.96
  4. Step 4: Simplify right side
    160,975.28x = 22,343,734,182.70
  5. Step 5: Solve for x
    x = 22,343,734,182.70/160,975.28
  6. Step 6: Final answer
    x = 138,802.27

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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.