Home / 165,403.78-228,250.26-93,788.62

Finding the Fourth Proportional to 165,403.78, 228,250.26 and 93,788.62

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Solution

The fourth proportional to 165,403.78, 228,250.26 and 93,788.62 is: 129,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,403.78 : 228,250.26 = 93,788.62 : x
  2. Step 2: Convert to fraction form
    165,403.78/228,250.26 = 93,788.62/x
  3. Step 3: Cross multiply
    165,403.78x = 228,250.26 × 93,788.62
  4. Step 4: Simplify right side
    165,403.78x = 21,407,276,900.04
  5. Step 5: Solve for x
    x = 21,407,276,900.04/165,403.78
  6. Step 6: Final answer
    x = 129,424.35

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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.