Home / 291,661.24-436,999.36-179,106.88

Finding the Fourth Proportional to 291,661.24, 436,999.36 and 179,106.88

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Solution

The fourth proportional to 291,661.24, 436,999.36 and 179,106.88 is: 268,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,661.24 : 436,999.36 = 179,106.88 : x
  2. Step 2: Convert to fraction form
    291,661.24/436,999.36 = 179,106.88/x
  3. Step 3: Cross multiply
    291,661.24x = 436,999.36 × 179,106.88
  4. Step 4: Simplify right side
    291,661.24x = 78,269,591,931.60
  5. Step 5: Solve for x
    x = 78,269,591,931.60/291,661.24
  6. Step 6: Final answer
    x = 268,357.88

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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.