Home / 116,584.80-160,743.60-86,327.52

Finding the Fourth Proportional to 116,584.80, 160,743.60 and 86,327.52

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Solution

The fourth proportional to 116,584.80, 160,743.60 and 86,327.52 is: 119,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,584.80 : 160,743.60 = 86,327.52 : x
  2. Step 2: Convert to fraction form
    116,584.80/160,743.60 = 86,327.52/x
  3. Step 3: Cross multiply
    116,584.80x = 160,743.60 × 86,327.52
  4. Step 4: Simplify right side
    116,584.80x = 13,876,596,343.87
  5. Step 5: Solve for x
    x = 13,876,596,343.87/116,584.80
  6. Step 6: Final answer
    x = 119,025.78

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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.