Home / 112,811.20-169,216.80-37,906.45

Finding the Fourth Proportional to 112,811.20, 169,216.80 and 37,906.45

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Solution

The fourth proportional to 112,811.20, 169,216.80 and 37,906.45 is: 56,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,811.20 : 169,216.80 = 37,906.45 : x
  2. Step 2: Convert to fraction form
    112,811.20/169,216.80 = 37,906.45/x
  3. Step 3: Cross multiply
    112,811.20x = 169,216.80 × 37,906.45
  4. Step 4: Simplify right side
    112,811.20x = 6,414,408,168.36
  5. Step 5: Solve for x
    x = 6,414,408,168.36/112,811.20
  6. Step 6: Final answer
    x = 56,859.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.