Home / 165,320.35-228,146.81-100,793.32

Finding the Fourth Proportional to 165,320.35, 228,146.81 and 100,793.32

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Solution

The fourth proportional to 165,320.35, 228,146.81 and 100,793.32 is: 139,097.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,320.35 : 228,146.81 = 100,793.32 : x
  2. Step 2: Convert to fraction form
    165,320.35/228,146.81 = 100,793.32/x
  3. Step 3: Cross multiply
    165,320.35x = 228,146.81 × 100,793.32
  4. Step 4: Simplify right side
    165,320.35x = 22,995,673,352.98
  5. Step 5: Solve for x
    x = 22,995,673,352.98/165,320.35
  6. Step 6: Final answer
    x = 139,097.66

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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.