Home / 168,089.91-231,958.17-91,607.46

Finding the Fourth Proportional to 168,089.91, 231,958.17 and 91,607.46

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Solution

The fourth proportional to 168,089.91, 231,958.17 and 91,607.46 is: 126,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,089.91 : 231,958.17 = 91,607.46 : x
  2. Step 2: Convert to fraction form
    168,089.91/231,958.17 = 91,607.46/x
  3. Step 3: Cross multiply
    168,089.91x = 231,958.17 × 91,607.46
  4. Step 4: Simplify right side
    168,089.91x = 21,249,098,779.95
  5. Step 5: Solve for x
    x = 21,249,098,779.95/168,089.91
  6. Step 6: Final answer
    x = 126,415.08

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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.