Home / 144,936.10-217,399.20-56,208.70

Finding the Fourth Proportional to 144,936.10, 217,399.20 and 56,208.70

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Solution

The fourth proportional to 144,936.10, 217,399.20 and 56,208.70 is: 84,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,936.10 : 217,399.20 = 56,208.70 : x
  2. Step 2: Convert to fraction form
    144,936.10/217,399.20 = 56,208.70/x
  3. Step 3: Cross multiply
    144,936.10x = 217,399.20 × 56,208.70
  4. Step 4: Simplify right side
    144,936.10x = 12,219,726,413.04
  5. Step 5: Solve for x
    x = 12,219,726,413.04/144,936.10
  6. Step 6: Final answer
    x = 84,311.13

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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.