Home / 370,221.69-555,353.31-103,961.44

Finding the Fourth Proportional to 370,221.69, 555,353.31 and 103,961.44

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Solution

The fourth proportional to 370,221.69, 555,353.31 and 103,961.44 is: 155,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,221.69 : 555,353.31 = 103,961.44 : x
  2. Step 2: Convert to fraction form
    370,221.69/555,353.31 = 103,961.44/x
  3. Step 3: Cross multiply
    370,221.69x = 555,353.31 × 103,961.44
  4. Step 4: Simplify right side
    370,221.69x = 57,735,329,816.37
  5. Step 5: Solve for x
    x = 57,735,329,816.37/370,221.69
  6. Step 6: Final answer
    x = 155,947.99

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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.