Home / 291,815.52-436,479.12-179,219.04

Finding the Fourth Proportional to 291,815.52, 436,479.12 and 179,219.04

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Solution

The fourth proportional to 291,815.52, 436,479.12 and 179,219.04 is: 268,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,815.52 : 436,479.12 = 179,219.04 : x
  2. Step 2: Convert to fraction form
    291,815.52/436,479.12 = 179,219.04/x
  3. Step 3: Cross multiply
    291,815.52x = 436,479.12 × 179,219.04
  4. Step 4: Simplify right side
    291,815.52x = 78,225,368,866.44
  5. Step 5: Solve for x
    x = 78,225,368,866.44/291,815.52
  6. Step 6: Final answer
    x = 268,064.46

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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.