Home / 104,183.28-143,772.64-56,437.43

Finding the Fourth Proportional to 104,183.28, 143,772.64 and 56,437.43

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Solution

The fourth proportional to 104,183.28, 143,772.64 and 56,437.43 is: 77,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,183.28 : 143,772.64 = 56,437.43 : x
  2. Step 2: Convert to fraction form
    104,183.28/143,772.64 = 56,437.43/x
  3. Step 3: Cross multiply
    104,183.28x = 143,772.64 × 56,437.43
  4. Step 4: Simplify right side
    104,183.28x = 8,114,157,445.96
  5. Step 5: Solve for x
    x = 8,114,157,445.96/104,183.28
  6. Step 6: Final answer
    x = 77,883.49

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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.