Home / 144,356.24-216,530.72-39,172.48

Finding the Fourth Proportional to 144,356.24, 216,530.72 and 39,172.48

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Solution

The fourth proportional to 144,356.24, 216,530.72 and 39,172.48 is: 58,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,356.24 : 216,530.72 = 39,172.48 : x
  2. Step 2: Convert to fraction form
    144,356.24/216,530.72 = 39,172.48/x
  3. Step 3: Cross multiply
    144,356.24x = 216,530.72 × 39,172.48
  4. Step 4: Simplify right side
    144,356.24x = 8,482,044,855.19
  5. Step 5: Solve for x
    x = 8,482,044,855.19/144,356.24
  6. Step 6: Final answer
    x = 58,757.73

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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.