Home / 499,835.80-749,816.07-162,910.36

Finding the Fourth Proportional to 499,835.80, 749,816.07 and 162,910.36

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Solution

The fourth proportional to 499,835.80, 749,816.07 and 162,910.36 is: 244,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,835.80 : 749,816.07 = 162,910.36 : x
  2. Step 2: Convert to fraction form
    499,835.80/749,816.07 = 162,910.36/x
  3. Step 3: Cross multiply
    499,835.80x = 749,816.07 × 162,910.36
  4. Step 4: Simplify right side
    499,835.80x = 122,152,805,897.49
  5. Step 5: Solve for x
    x = 122,152,805,897.49/499,835.80
  6. Step 6: Final answer
    x = 244,385.87

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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.