Home / 167,465.13-231,104.50-90,985.74

Finding the Fourth Proportional to 167,465.13, 231,104.50 and 90,985.74

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Solution

The fourth proportional to 167,465.13, 231,104.50 and 90,985.74 is: 125,561.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,465.13 : 231,104.50 = 90,985.74 : x
  2. Step 2: Convert to fraction form
    167,465.13/231,104.50 = 90,985.74/x
  3. Step 3: Cross multiply
    167,465.13x = 231,104.50 × 90,985.74
  4. Step 4: Simplify right side
    167,465.13x = 21,027,213,949.83
  5. Step 5: Solve for x
    x = 21,027,213,949.83/167,465.13
  6. Step 6: Final answer
    x = 125,561.75

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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.