Home / 165,246.60-228,039.69-93,640.32

Finding the Fourth Proportional to 165,246.60, 228,039.69 and 93,640.32

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Solution

The fourth proportional to 165,246.60, 228,039.69 and 93,640.32 is: 129,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,246.60 : 228,039.69 = 93,640.32 : x
  2. Step 2: Convert to fraction form
    165,246.60/228,039.69 = 93,640.32/x
  3. Step 3: Cross multiply
    165,246.60x = 228,039.69 × 93,640.32
  4. Step 4: Simplify right side
    165,246.60x = 21,353,709,544.30
  5. Step 5: Solve for x
    x = 21,353,709,544.30/165,246.60
  6. Step 6: Final answer
    x = 129,223.29

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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.