Home / 167,695.88-231,423.32-91,216.68

Finding the Fourth Proportional to 167,695.88, 231,423.32 and 91,216.68

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Solution

The fourth proportional to 167,695.88, 231,423.32 and 91,216.68 is: 125,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,695.88 : 231,423.32 = 91,216.68 : x
  2. Step 2: Convert to fraction form
    167,695.88/231,423.32 = 91,216.68/x
  3. Step 3: Cross multiply
    167,695.88x = 231,423.32 × 91,216.68
  4. Step 4: Simplify right side
    167,695.88x = 21,109,666,924.98
  5. Step 5: Solve for x
    x = 21,109,666,924.98/167,695.88
  6. Step 6: Final answer
    x = 125,880.65

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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.