Home / 275,747.16-380,472.05-160,973.71

Finding the Fourth Proportional to 275,747.16, 380,472.05 and 160,973.71

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Solution

The fourth proportional to 275,747.16, 380,472.05 and 160,973.71 is: 222,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,747.16 : 380,472.05 = 160,973.71 : x
  2. Step 2: Convert to fraction form
    275,747.16/380,472.05 = 160,973.71/x
  3. Step 3: Cross multiply
    275,747.16x = 380,472.05 × 160,973.71
  4. Step 4: Simplify right side
    275,747.16x = 61,245,997,439.81
  5. Step 5: Solve for x
    x = 61,245,997,439.81/275,747.16
  6. Step 6: Final answer
    x = 222,109.26

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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.