Home / 156,725.15-235,087.73-45,917.15

Finding the Fourth Proportional to 156,725.15, 235,087.73 and 45,917.15

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Solution

The fourth proportional to 156,725.15, 235,087.73 and 45,917.15 is: 68,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725.15 : 235,087.73 = 45,917.15 : x
  2. Step 2: Convert to fraction form
    156,725.15/235,087.73 = 45,917.15/x
  3. Step 3: Cross multiply
    156,725.15x = 235,087.73 × 45,917.15
  4. Step 4: Simplify right side
    156,725.15x = 10,794,558,561.57
  5. Step 5: Solve for x
    x = 10,794,558,561.57/156,725.15
  6. Step 6: Final answer
    x = 68,875.73

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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.