Home / 370,819.38-555,899.19-134,109.43

Finding the Fourth Proportional to 370,819.38, 555,899.19 and 134,109.43

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Solution

The fourth proportional to 370,819.38, 555,899.19 and 134,109.43 is: 201,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,819.38 : 555,899.19 = 134,109.43 : x
  2. Step 2: Convert to fraction form
    370,819.38/555,899.19 = 134,109.43/x
  3. Step 3: Cross multiply
    370,819.38x = 555,899.19 × 134,109.43
  4. Step 4: Simplify right side
    370,819.38x = 74,551,323,508.36
  5. Step 5: Solve for x
    x = 74,551,323,508.36/370,819.38
  6. Step 6: Final answer
    x = 201,044.84

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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.