Home / 165,223.32-228,019.46-93,603.93

Finding the Fourth Proportional to 165,223.32, 228,019.46 and 93,603.93

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Solution

The fourth proportional to 165,223.32, 228,019.46 and 93,603.93 is: 129,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,223.32 : 228,019.46 = 93,603.93 : x
  2. Step 2: Convert to fraction form
    165,223.32/228,019.46 = 93,603.93/x
  3. Step 3: Cross multiply
    165,223.32x = 228,019.46 × 93,603.93
  4. Step 4: Simplify right side
    165,223.32x = 21,343,517,104.46
  5. Step 5: Solve for x
    x = 21,343,517,104.46/165,223.32
  6. Step 6: Final answer
    x = 129,179.81

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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.