Home / 104,157.20-143,735.23-56,410.13

Finding the Fourth Proportional to 104,157.20, 143,735.23 and 56,410.13

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Solution

The fourth proportional to 104,157.20, 143,735.23 and 56,410.13 is: 77,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,157.20 : 143,735.23 = 56,410.13 : x
  2. Step 2: Convert to fraction form
    104,157.20/143,735.23 = 56,410.13/x
  3. Step 3: Cross multiply
    104,157.20x = 143,735.23 × 56,410.13
  4. Step 4: Simplify right side
    104,157.20x = 8,108,123,009.88
  5. Step 5: Solve for x
    x = 8,108,123,009.88/104,157.20
  6. Step 6: Final answer
    x = 77,845.06

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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.