Home / 150,929.14-208,273.72-90,469.52

Finding the Fourth Proportional to 150,929.14, 208,273.72 and 90,469.52

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Solution

The fourth proportional to 150,929.14, 208,273.72 and 90,469.52 is: 124,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,929.14 : 208,273.72 = 90,469.52 : x
  2. Step 2: Convert to fraction form
    150,929.14/208,273.72 = 90,469.52/x
  3. Step 3: Cross multiply
    150,929.14x = 208,273.72 × 90,469.52
  4. Step 4: Simplify right side
    150,929.14x = 18,842,423,477.01
  5. Step 5: Solve for x
    x = 18,842,423,477.01/150,929.14
  6. Step 6: Final answer
    x = 124,842.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.