Home / 165,410.50-228,266.49-89,960.62

Finding the Fourth Proportional to 165,410.50, 228,266.49 and 89,960.62

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Solution

The fourth proportional to 165,410.50, 228,266.49 and 89,960.62 is: 124,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,410.50 : 228,266.49 = 89,960.62 : x
  2. Step 2: Convert to fraction form
    165,410.50/228,266.49 = 89,960.62/x
  3. Step 3: Cross multiply
    165,410.50x = 228,266.49 × 89,960.62
  4. Step 4: Simplify right side
    165,410.50x = 20,534,994,965.62
  5. Step 5: Solve for x
    x = 20,534,994,965.62/165,410.50
  6. Step 6: Final answer
    x = 124,145.66

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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.