Home / 101,255.84-151,901.04-31,133.60

Finding the Fourth Proportional to 101,255.84, 151,901.04 and 31,133.60

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Solution

The fourth proportional to 101,255.84, 151,901.04 and 31,133.60 is: 46,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,255.84 : 151,901.04 = 31,133.60 : x
  2. Step 2: Convert to fraction form
    101,255.84/151,901.04 = 31,133.60/x
  3. Step 3: Cross multiply
    101,255.84x = 151,901.04 × 31,133.60
  4. Step 4: Simplify right side
    101,255.84x = 4,729,226,218.94
  5. Step 5: Solve for x
    x = 4,729,226,218.94/101,255.84
  6. Step 6: Final answer
    x = 46,705.71

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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.