Home / 165,934.43-228,989.09-90,482.93

Finding the Fourth Proportional to 165,934.43, 228,989.09 and 90,482.93

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Solution

The fourth proportional to 165,934.43, 228,989.09 and 90,482.93 is: 124,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,934.43 : 228,989.09 = 90,482.93 : x
  2. Step 2: Convert to fraction form
    165,934.43/228,989.09 = 90,482.93/x
  3. Step 3: Cross multiply
    165,934.43x = 228,989.09 × 90,482.93
  4. Step 4: Simplify right side
    165,934.43x = 20,719,603,801.23
  5. Step 5: Solve for x
    x = 20,719,603,801.23/165,934.43
  6. Step 6: Final answer
    x = 124,866.21

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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.