Home / 164,591.68-227,155-92,976.32

Finding the Fourth Proportional to 164,591.68, 227,155 and 92,976.32

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Solution

The fourth proportional to 164,591.68, 227,155 and 92,976.32 is: 128,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,591.68 : 227,155 = 92,976.32 : x
  2. Step 2: Convert to fraction form
    164,591.68/227,155 = 92,976.32/x
  3. Step 3: Cross multiply
    164,591.68x = 227,155 × 92,976.32
  4. Step 4: Simplify right side
    164,591.68x = 21,120,035,969.60
  5. Step 5: Solve for x
    x = 21,120,035,969.60/164,591.68
  6. Step 6: Final answer
    x = 128,317.76

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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.