Home / 167,328.20-230,911.64-90,845.79

Finding the Fourth Proportional to 167,328.20, 230,911.64 and 90,845.79

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Solution

The fourth proportional to 167,328.20, 230,911.64 and 90,845.79 is: 125,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,328.20 : 230,911.64 = 90,845.79 : x
  2. Step 2: Convert to fraction form
    167,328.20/230,911.64 = 90,845.79/x
  3. Step 3: Cross multiply
    167,328.20x = 230,911.64 × 90,845.79
  4. Step 4: Simplify right side
    167,328.20x = 20,977,351,186.41
  5. Step 5: Solve for x
    x = 20,977,351,186.41/167,328.20
  6. Step 6: Final answer
    x = 125,366.50

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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.