Home / 291,505.11-436,270.01-179,256.39

Finding the Fourth Proportional to 291,505.11, 436,270.01 and 179,256.39

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Solution

The fourth proportional to 291,505.11, 436,270.01 and 179,256.39 is: 268,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,505.11 : 436,270.01 = 179,256.39 : x
  2. Step 2: Convert to fraction form
    291,505.11/436,270.01 = 179,256.39/x
  3. Step 3: Cross multiply
    291,505.11x = 436,270.01 × 179,256.39
  4. Step 4: Simplify right side
    291,505.11x = 78,204,186,161.58
  5. Step 5: Solve for x
    x = 78,204,186,161.58/291,505.11
  6. Step 6: Final answer
    x = 268,277.24

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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.