Home / 116,794.20-161,165.44-65,815.24

Finding the Fourth Proportional to 116,794.20, 161,165.44 and 65,815.24

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Solution

The fourth proportional to 116,794.20, 161,165.44 and 65,815.24 is: 90,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,794.20 : 161,165.44 = 65,815.24 : x
  2. Step 2: Convert to fraction form
    116,794.20/161,165.44 = 65,815.24/x
  3. Step 3: Cross multiply
    116,794.20x = 161,165.44 × 65,815.24
  4. Step 4: Simplify right side
    116,794.20x = 10,607,142,113.31
  5. Step 5: Solve for x
    x = 10,607,142,113.31/116,794.20
  6. Step 6: Final answer
    x = 90,819.08

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1.5x scale

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.