Home / 165,825.06-228,839.67-90,373.74

Finding the Fourth Proportional to 165,825.06, 228,839.67 and 90,373.74

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Solution

The fourth proportional to 165,825.06, 228,839.67 and 90,373.74 is: 124,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,825.06 : 228,839.67 = 90,373.74 : x
  2. Step 2: Convert to fraction form
    165,825.06/228,839.67 = 90,373.74/x
  3. Step 3: Cross multiply
    165,825.06x = 228,839.67 × 90,373.74
  4. Step 4: Simplify right side
    165,825.06x = 20,681,096,838.27
  5. Step 5: Solve for x
    x = 20,681,096,838.27/165,825.06
  6. Step 6: Final answer
    x = 124,716.35

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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.