Home / 104,105.20-143,663.46-56,358.13

Finding the Fourth Proportional to 104,105.20, 143,663.46 and 56,358.13

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Solution

The fourth proportional to 104,105.20, 143,663.46 and 56,358.13 is: 77,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,105.20 : 143,663.46 = 56,358.13 : x
  2. Step 2: Convert to fraction form
    104,105.20/143,663.46 = 56,358.13/x
  3. Step 3: Cross multiply
    104,105.20x = 143,663.46 × 56,358.13
  4. Step 4: Simplify right side
    104,105.20x = 8,096,603,954.93
  5. Step 5: Solve for x
    x = 8,096,603,954.93/104,105.20
  6. Step 6: Final answer
    x = 77,773.29

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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.