Home / 219,793.12-303,184.56-140,305.12

Finding the Fourth Proportional to 219,793.12, 303,184.56 and 140,305.12

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Solution

The fourth proportional to 219,793.12, 303,184.56 and 140,305.12 is: 193,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,793.12 : 303,184.56 = 140,305.12 : x
  2. Step 2: Convert to fraction form
    219,793.12/303,184.56 = 140,305.12/x
  3. Step 3: Cross multiply
    219,793.12x = 303,184.56 × 140,305.12
  4. Step 4: Simplify right side
    219,793.12x = 42,538,346,072.95
  5. Step 5: Solve for x
    x = 42,538,346,072.95/219,793.12
  6. Step 6: Final answer
    x = 193,538.11

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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.