Home / 171,742.32-236,959.56-99,127.44

Finding the Fourth Proportional to 171,742.32, 236,959.56 and 99,127.44

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Solution

The fourth proportional to 171,742.32, 236,959.56 and 99,127.44 is: 136,769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,742.32 : 236,959.56 = 99,127.44 : x
  2. Step 2: Convert to fraction form
    171,742.32/236,959.56 = 99,127.44/x
  3. Step 3: Cross multiply
    171,742.32x = 236,959.56 × 99,127.44
  4. Step 4: Simplify right side
    171,742.32x = 23,489,194,566.33
  5. Step 5: Solve for x
    x = 23,489,194,566.33/171,742.32
  6. Step 6: Final answer
    x = 136,769.99

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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.