Home / 123,757.76-185,640.28-30,263.52

Finding the Fourth Proportional to 123,757.76, 185,640.28 and 30,263.52

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Solution

The fourth proportional to 123,757.76, 185,640.28 and 30,263.52 is: 45,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,757.76 : 185,640.28 = 30,263.52 : x
  2. Step 2: Convert to fraction form
    123,757.76/185,640.28 = 30,263.52/x
  3. Step 3: Cross multiply
    123,757.76x = 185,640.28 × 30,263.52
  4. Step 4: Simplify right side
    123,757.76x = 5,618,128,326.59
  5. Step 5: Solve for x
    x = 5,618,128,326.59/123,757.76
  6. Step 6: Final answer
    x = 45,396.17

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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.