Home / 167,140.12-230,658.18-91,693.48

Finding the Fourth Proportional to 167,140.12, 230,658.18 and 91,693.48

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Solution

The fourth proportional to 167,140.12, 230,658.18 and 91,693.48 is: 126,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,140.12 : 230,658.18 = 91,693.48 : x
  2. Step 2: Convert to fraction form
    167,140.12/230,658.18 = 91,693.48/x
  3. Step 3: Cross multiply
    167,140.12x = 230,658.18 × 91,693.48
  4. Step 4: Simplify right side
    167,140.12x = 21,149,851,214.67
  5. Step 5: Solve for x
    x = 21,149,851,214.67/167,140.12
  6. Step 6: Final answer
    x = 126,539.64

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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.