Home / 355,208.90-532,883.41-115,278.09

Finding the Fourth Proportional to 355,208.90, 532,883.41 and 115,278.09

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Solution

The fourth proportional to 355,208.90, 532,883.41 and 115,278.09 is: 172,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,208.90 : 532,883.41 = 115,278.09 : x
  2. Step 2: Convert to fraction form
    355,208.90/532,883.41 = 115,278.09/x
  3. Step 3: Cross multiply
    355,208.90x = 532,883.41 × 115,278.09
  4. Step 4: Simplify right side
    355,208.90x = 61,429,779,410.98
  5. Step 5: Solve for x
    x = 61,429,779,410.98/355,208.90
  6. Step 6: Final answer
    x = 172,939.87

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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.