Home / 116,338.86-160,543.51-71,092.56

Finding the Fourth Proportional to 116,338.86, 160,543.51 and 71,092.56

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Solution

The fourth proportional to 116,338.86, 160,543.51 and 71,092.56 is: 98,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,338.86 : 160,543.51 = 71,092.56 : x
  2. Step 2: Convert to fraction form
    116,338.86/160,543.51 = 71,092.56/x
  3. Step 3: Cross multiply
    116,338.86x = 160,543.51 × 71,092.56
  4. Step 4: Simplify right side
    116,338.86x = 11,413,448,939.55
  5. Step 5: Solve for x
    x = 11,413,448,939.55/116,338.86
  6. Step 6: Final answer
    x = 98,105.22

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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.