Home / 144,604.20-216,938.70-55,849.80

Finding the Fourth Proportional to 144,604.20, 216,938.70 and 55,849.80

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Solution

The fourth proportional to 144,604.20, 216,938.70 and 55,849.80 is: 83,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,604.20 : 216,938.70 = 55,849.80 : x
  2. Step 2: Convert to fraction form
    144,604.20/216,938.70 = 55,849.80/x
  3. Step 3: Cross multiply
    144,604.20x = 216,938.70 × 55,849.80
  4. Step 4: Simplify right side
    144,604.20x = 12,115,983,007.26
  5. Step 5: Solve for x
    x = 12,115,983,007.26/144,604.20
  6. Step 6: Final answer
    x = 83,787.21

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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.