Home / 144,355.92-216,530.24-39,172.16

Finding the Fourth Proportional to 144,355.92, 216,530.24 and 39,172.16

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Solution

The fourth proportional to 144,355.92, 216,530.24 and 39,172.16 is: 58,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,355.92 : 216,530.24 = 39,172.16 : x
  2. Step 2: Convert to fraction form
    144,355.92/216,530.24 = 39,172.16/x
  3. Step 3: Cross multiply
    144,355.92x = 216,530.24 × 39,172.16
  4. Step 4: Simplify right side
    144,355.92x = 8,481,955,927.61
  5. Step 5: Solve for x
    x = 8,481,955,927.61/144,355.92
  6. Step 6: Final answer
    x = 58,757.24

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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.