Home / 168,145.44-232,043.28-91,664.58

Finding the Fourth Proportional to 168,145.44, 232,043.28 and 91,664.58

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Solution

The fourth proportional to 168,145.44, 232,043.28 and 91,664.58 is: 126,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,145.44 : 232,043.28 = 91,664.58 : x
  2. Step 2: Convert to fraction form
    168,145.44/232,043.28 = 91,664.58/x
  3. Step 3: Cross multiply
    168,145.44x = 232,043.28 × 91,664.58
  4. Step 4: Simplify right side
    168,145.44x = 21,270,149,803.02
  5. Step 5: Solve for x
    x = 21,270,149,803.02/168,145.44
  6. Step 6: Final answer
    x = 126,498.52

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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.