Home / 165,722.08-228,814.32-102,079.84

Finding the Fourth Proportional to 165,722.08, 228,814.32 and 102,079.84

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Solution

The fourth proportional to 165,722.08, 228,814.32 and 102,079.84 is: 140,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,722.08 : 228,814.32 = 102,079.84 : x
  2. Step 2: Convert to fraction form
    165,722.08/228,814.32 = 102,079.84/x
  3. Step 3: Cross multiply
    165,722.08x = 228,814.32 × 102,079.84
  4. Step 4: Simplify right side
    165,722.08x = 23,357,329,175.31
  5. Step 5: Solve for x
    x = 23,357,329,175.31/165,722.08
  6. Step 6: Final answer
    x = 140,942.77

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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.