Home / 165,297.32-228,109.38-93,690.88

Finding the Fourth Proportional to 165,297.32, 228,109.38 and 93,690.88

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Solution

The fourth proportional to 165,297.32, 228,109.38 and 93,690.88 is: 129,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,297.32 : 228,109.38 = 93,690.88 : x
  2. Step 2: Convert to fraction form
    165,297.32/228,109.38 = 93,690.88/x
  3. Step 3: Cross multiply
    165,297.32x = 228,109.38 × 93,690.88
  4. Step 4: Simplify right side
    165,297.32x = 21,371,768,548.45
  5. Step 5: Solve for x
    x = 21,371,768,548.45/165,297.32
  6. Step 6: Final answer
    x = 129,292.89

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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.