Home / 165,521.16-228,423.60-93,911.88

Finding the Fourth Proportional to 165,521.16, 228,423.60 and 93,911.88

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Solution

The fourth proportional to 165,521.16, 228,423.60 and 93,911.88 is: 129,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,521.16 : 228,423.60 = 93,911.88 : x
  2. Step 2: Convert to fraction form
    165,521.16/228,423.60 = 93,911.88/x
  3. Step 3: Cross multiply
    165,521.16x = 228,423.60 × 93,911.88
  4. Step 4: Simplify right side
    165,521.16x = 21,451,689,712.37
  5. Step 5: Solve for x
    x = 21,451,689,712.37/165,521.16
  6. Step 6: Final answer
    x = 129,600.89

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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.