Home / 144,772.20-217,190.70-56,017.80

Finding the Fourth Proportional to 144,772.20, 217,190.70 and 56,017.80

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Solution

The fourth proportional to 144,772.20, 217,190.70 and 56,017.80 is: 84,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,772.20 : 217,190.70 = 56,017.80 : x
  2. Step 2: Convert to fraction form
    144,772.20/217,190.70 = 56,017.80/x
  3. Step 3: Cross multiply
    144,772.20x = 217,190.70 × 56,017.80
  4. Step 4: Simplify right side
    144,772.20x = 12,166,545,194.46
  5. Step 5: Solve for x
    x = 12,166,545,194.46/144,772.20
  6. Step 6: Final answer
    x = 84,039.24

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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.