Home / 168,055.58-231,913.71-91,575.23

Finding the Fourth Proportional to 168,055.58, 231,913.71 and 91,575.23

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Solution

The fourth proportional to 168,055.58, 231,913.71 and 91,575.23 is: 126,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,055.58 : 231,913.71 = 91,575.23 : x
  2. Step 2: Convert to fraction form
    168,055.58/231,913.71 = 91,575.23/x
  3. Step 3: Cross multiply
    168,055.58x = 231,913.71 × 91,575.23
  4. Step 4: Simplify right side
    168,055.58x = 21,237,550,173.83
  5. Step 5: Solve for x
    x = 21,237,550,173.83/168,055.58
  6. Step 6: Final answer
    x = 126,372.18

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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.