Home / 165,648.38-228,534.70-93,986.88

Finding the Fourth Proportional to 165,648.38, 228,534.70 and 93,986.88

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Solution

The fourth proportional to 165,648.38, 228,534.70 and 93,986.88 is: 129,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,648.38 : 228,534.70 = 93,986.88 : x
  2. Step 2: Convert to fraction form
    165,648.38/228,534.70 = 93,986.88/x
  3. Step 3: Cross multiply
    165,648.38x = 228,534.70 × 93,986.88
  4. Step 4: Simplify right side
    165,648.38x = 21,479,263,424.74
  5. Step 5: Solve for x
    x = 21,479,263,424.74/165,648.38
  6. Step 6: Final answer
    x = 129,667.81

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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.