Home / 101,163.65-151,917.71-96,931.81

Finding the Fourth Proportional to 101,163.65, 151,917.71 and 96,931.81

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Solution

The fourth proportional to 101,163.65, 151,917.71 and 96,931.81 is: 145,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,163.65 : 151,917.71 = 96,931.81 : x
  2. Step 2: Convert to fraction form
    101,163.65/151,917.71 = 96,931.81/x
  3. Step 3: Cross multiply
    101,163.65x = 151,917.71 × 96,931.81
  4. Step 4: Simplify right side
    101,163.65x = 14,725,657,736.90
  5. Step 5: Solve for x
    x = 14,725,657,736.90/101,163.65
  6. Step 6: Final answer
    x = 145,562.73

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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.