Home / 192,984.12-266,332.86-121,425.48

Finding the Fourth Proportional to 192,984.12, 266,332.86 and 121,425.48

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Solution

The fourth proportional to 192,984.12, 266,332.86 and 121,425.48 is: 167,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,984.12 : 266,332.86 = 121,425.48 : x
  2. Step 2: Convert to fraction form
    192,984.12/266,332.86 = 121,425.48/x
  3. Step 3: Cross multiply
    192,984.12x = 266,332.86 × 121,425.48
  4. Step 4: Simplify right side
    192,984.12x = 32,339,595,365.27
  5. Step 5: Solve for x
    x = 32,339,595,365.27/192,984.12
  6. Step 6: Final answer
    x = 167,576.46

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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.