Home / 116,914.92-161,303.86-65,921.24

Finding the Fourth Proportional to 116,914.92, 161,303.86 and 65,921.24

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Solution

The fourth proportional to 116,914.92, 161,303.86 and 65,921.24 is: 90,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,914.92 : 161,303.86 = 65,921.24 : x
  2. Step 2: Convert to fraction form
    116,914.92/161,303.86 = 65,921.24/x
  3. Step 3: Cross multiply
    116,914.92x = 161,303.86 × 65,921.24
  4. Step 4: Simplify right side
    116,914.92x = 10,633,350,467.99
  5. Step 5: Solve for x
    x = 10,633,350,467.99/116,914.92
  6. Step 6: Final answer
    x = 90,949.47

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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.