Home / 165,689.20-228,656.82-94,066.84

Finding the Fourth Proportional to 165,689.20, 228,656.82 and 94,066.84

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Solution

The fourth proportional to 165,689.20, 228,656.82 and 94,066.84 is: 129,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,689.20 : 228,656.82 = 94,066.84 : x
  2. Step 2: Convert to fraction form
    165,689.20/228,656.82 = 94,066.84/x
  3. Step 3: Cross multiply
    165,689.20x = 228,656.82 × 94,066.84
  4. Step 4: Simplify right side
    165,689.20x = 21,509,024,501.85
  5. Step 5: Solve for x
    x = 21,509,024,501.85/165,689.20
  6. Step 6: Final answer
    x = 129,815.49

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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.