Home / 104,157.22-143,737.05-56,410.66

Finding the Fourth Proportional to 104,157.22, 143,737.05 and 56,410.66

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Solution

The fourth proportional to 104,157.22, 143,737.05 and 56,410.66 is: 77,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,157.22 : 143,737.05 = 56,410.66 : x
  2. Step 2: Convert to fraction form
    104,157.22/143,737.05 = 56,410.66/x
  3. Step 3: Cross multiply
    104,157.22x = 143,737.05 × 56,410.66
  4. Step 4: Simplify right side
    104,157.22x = 8,108,301,856.95
  5. Step 5: Solve for x
    x = 8,108,301,856.95/104,157.22
  6. Step 6: Final answer
    x = 77,846.76

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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.