Home / 293,123.10-439,830.45-115,635.90

Finding the Fourth Proportional to 293,123.10, 439,830.45 and 115,635.90

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Solution

The fourth proportional to 293,123.10, 439,830.45 and 115,635.90 is: 173,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,123.10 : 439,830.45 = 115,635.90 : x
  2. Step 2: Convert to fraction form
    293,123.10/439,830.45 = 115,635.90/x
  3. Step 3: Cross multiply
    293,123.10x = 439,830.45 × 115,635.90
  4. Step 4: Simplify right side
    293,123.10x = 50,860,189,933.16
  5. Step 5: Solve for x
    x = 50,860,189,933.16/293,123.10
  6. Step 6: Final answer
    x = 173,511.37

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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.