Home / 401,819.14-602,709.24-149,148.88

Finding the Fourth Proportional to 401,819.14, 602,709.24 and 149,148.88

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Solution

The fourth proportional to 401,819.14, 602,709.24 and 149,148.88 is: 223,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,819.14 : 602,709.24 = 149,148.88 : x
  2. Step 2: Convert to fraction form
    401,819.14/602,709.24 = 149,148.88/x
  3. Step 3: Cross multiply
    401,819.14x = 602,709.24 × 149,148.88
  4. Step 4: Simplify right side
    401,819.14x = 89,893,408,111.65
  5. Step 5: Solve for x
    x = 89,893,408,111.65/401,819.14
  6. Step 6: Final answer
    x = 223,716.09

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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.