Home / 117,246.86-161,803.65-71,949.86

Finding the Fourth Proportional to 117,246.86, 161,803.65 and 71,949.86

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Solution

The fourth proportional to 117,246.86, 161,803.65 and 71,949.86 is: 99,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,246.86 : 161,803.65 = 71,949.86 : x
  2. Step 2: Convert to fraction form
    117,246.86/161,803.65 = 71,949.86/x
  3. Step 3: Cross multiply
    117,246.86x = 161,803.65 × 71,949.86
  4. Step 4: Simplify right side
    117,246.86x = 11,641,749,964.99
  5. Step 5: Solve for x
    x = 11,641,749,964.99/117,246.86
  6. Step 6: Final answer
    x = 99,292.64

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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.