Home / 144,575.22-216,936.95-69,759.17

Finding the Fourth Proportional to 144,575.22, 216,936.95 and 69,759.17

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Solution

The fourth proportional to 144,575.22, 216,936.95 and 69,759.17 is: 104,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,575.22 : 216,936.95 = 69,759.17 : x
  2. Step 2: Convert to fraction form
    144,575.22/216,936.95 = 69,759.17/x
  3. Step 3: Cross multiply
    144,575.22x = 216,936.95 × 69,759.17
  4. Step 4: Simplify right side
    144,575.22x = 15,133,340,140.85
  5. Step 5: Solve for x
    x = 15,133,340,140.85/144,575.22
  6. Step 6: Final answer
    x = 104,674.51

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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.