Home / 122,606.17-183,811.50-112,765.21

Finding the Fourth Proportional to 122,606.17, 183,811.50 and 112,765.21

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Solution

The fourth proportional to 122,606.17, 183,811.50 and 112,765.21 is: 169,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,606.17 : 183,811.50 = 112,765.21 : x
  2. Step 2: Convert to fraction form
    122,606.17/183,811.50 = 112,765.21/x
  3. Step 3: Cross multiply
    122,606.17x = 183,811.50 × 112,765.21
  4. Step 4: Simplify right side
    122,606.17x = 20,727,542,397.92
  5. Step 5: Solve for x
    x = 20,727,542,397.92/122,606.17
  6. Step 6: Final answer
    x = 169,057.91

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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.