Home / 165,016.81-227,716.31-93,400.80

Finding the Fourth Proportional to 165,016.81, 227,716.31 and 93,400.80

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Solution

The fourth proportional to 165,016.81, 227,716.31 and 93,400.80 is: 128,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,016.81 : 227,716.31 = 93,400.80 : x
  2. Step 2: Convert to fraction form
    165,016.81/227,716.31 = 93,400.80/x
  3. Step 3: Cross multiply
    165,016.81x = 227,716.31 × 93,400.80
  4. Step 4: Simplify right side
    165,016.81x = 21,268,884,388.47
  5. Step 5: Solve for x
    x = 21,268,884,388.47/165,016.81
  6. Step 6: Final answer
    x = 128,889.20

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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.