Home / 101,622.20-140,236.73-56,299.19

Finding the Fourth Proportional to 101,622.20, 140,236.73 and 56,299.19

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Solution

The fourth proportional to 101,622.20, 140,236.73 and 56,299.19 is: 77,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,622.20 : 140,236.73 = 56,299.19 : x
  2. Step 2: Convert to fraction form
    101,622.20/140,236.73 = 56,299.19/x
  3. Step 3: Cross multiply
    101,622.20x = 140,236.73 × 56,299.19
  4. Step 4: Simplify right side
    101,622.20x = 7,895,214,384.62
  5. Step 5: Solve for x
    x = 7,895,214,384.62/101,622.20
  6. Step 6: Final answer
    x = 77,691.83

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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.