Home / 118,328.08-163,015.20-82,452.96

Finding the Fourth Proportional to 118,328.08, 163,015.20 and 82,452.96

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Solution

The fourth proportional to 118,328.08, 163,015.20 and 82,452.96 is: 113,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,328.08 : 163,015.20 = 82,452.96 : x
  2. Step 2: Convert to fraction form
    118,328.08/163,015.20 = 82,452.96/x
  3. Step 3: Cross multiply
    118,328.08x = 163,015.20 × 82,452.96
  4. Step 4: Simplify right side
    118,328.08x = 13,441,085,764.99
  5. Step 5: Solve for x
    x = 13,441,085,764.99/118,328.08
  6. Step 6: Final answer
    x = 113,591.68

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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.