Home / 165,844.32-229,008.24-142,205.28

Finding the Fourth Proportional to 165,844.32, 229,008.24 and 142,205.28

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Solution

The fourth proportional to 165,844.32, 229,008.24 and 142,205.28 is: 196,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,844.32 : 229,008.24 = 142,205.28 : x
  2. Step 2: Convert to fraction form
    165,844.32/229,008.24 = 142,205.28/x
  3. Step 3: Cross multiply
    165,844.32x = 229,008.24 × 142,205.28
  4. Step 4: Simplify right side
    165,844.32x = 32,566,180,891.51
  5. Step 5: Solve for x
    x = 32,566,180,891.51/165,844.32
  6. Step 6: Final answer
    x = 196,365.97

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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.