Home / 165,398.18-228,244.15-93,784.58

Finding the Fourth Proportional to 165,398.18, 228,244.15 and 93,784.58

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Solution

The fourth proportional to 165,398.18, 228,244.15 and 93,784.58 is: 129,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,398.18 : 228,244.15 = 93,784.58 : x
  2. Step 2: Convert to fraction form
    165,398.18/228,244.15 = 93,784.58/x
  3. Step 3: Cross multiply
    165,398.18x = 228,244.15 × 93,784.58
  4. Step 4: Simplify right side
    165,398.18x = 21,405,781,745.21
  5. Step 5: Solve for x
    x = 21,405,781,745.21/165,398.18
  6. Step 6: Final answer
    x = 129,419.69

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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.