Home / 116,458.66-160,716.45-71,144.02

Finding the Fourth Proportional to 116,458.66, 160,716.45 and 71,144.02

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Solution

The fourth proportional to 116,458.66, 160,716.45 and 71,144.02 is: 98,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,458.66 : 160,716.45 = 71,144.02 : x
  2. Step 2: Convert to fraction form
    116,458.66/160,716.45 = 71,144.02/x
  3. Step 3: Cross multiply
    116,458.66x = 160,716.45 × 71,144.02
  4. Step 4: Simplify right side
    116,458.66x = 11,434,014,333.13
  5. Step 5: Solve for x
    x = 11,434,014,333.13/116,458.66
  6. Step 6: Final answer
    x = 98,180.89

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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.