Home / 116,546.94-160,823.57-71,270.66

Finding the Fourth Proportional to 116,546.94, 160,823.57 and 71,270.66

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Solution

The fourth proportional to 116,546.94, 160,823.57 and 71,270.66 is: 98,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,546.94 : 160,823.57 = 71,270.66 : x
  2. Step 2: Convert to fraction form
    116,546.94/160,823.57 = 71,270.66/x
  3. Step 3: Cross multiply
    116,546.94x = 160,823.57 × 71,270.66
  4. Step 4: Simplify right side
    116,546.94x = 11,462,001,074.52
  5. Step 5: Solve for x
    x = 11,462,001,074.52/116,546.94
  6. Step 6: Final answer
    x = 98,346.65

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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.