Home / 168,056.07-231,917.41-91,575.18

Finding the Fourth Proportional to 168,056.07, 231,917.41 and 91,575.18

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Solution

The fourth proportional to 168,056.07, 231,917.41 and 91,575.18 is: 126,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,056.07 : 231,917.41 = 91,575.18 : x
  2. Step 2: Convert to fraction form
    168,056.07/231,917.41 = 91,575.18/x
  3. Step 3: Cross multiply
    168,056.07x = 231,917.41 × 91,575.18
  4. Step 4: Simplify right side
    168,056.07x = 21,237,878,565.88
  5. Step 5: Solve for x
    x = 21,237,878,565.88/168,056.07
  6. Step 6: Final answer
    x = 126,373.77

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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.