Home / 165,230.58-228,015.25-93,609.07

Finding the Fourth Proportional to 165,230.58, 228,015.25 and 93,609.07

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Solution

The fourth proportional to 165,230.58, 228,015.25 and 93,609.07 is: 129,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,230.58 : 228,015.25 = 93,609.07 : x
  2. Step 2: Convert to fraction form
    165,230.58/228,015.25 = 93,609.07/x
  3. Step 3: Cross multiply
    165,230.58x = 228,015.25 × 93,609.07
  4. Step 4: Simplify right side
    165,230.58x = 21,344,295,220.81
  5. Step 5: Solve for x
    x = 21,344,295,220.81/165,230.58
  6. Step 6: Final answer
    x = 129,178.84

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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.