Home / 231,014.86-346,319.85-111,012.06

Finding the Fourth Proportional to 231,014.86, 346,319.85 and 111,012.06

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Solution

The fourth proportional to 231,014.86, 346,319.85 and 111,012.06 is: 166,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,014.86 : 346,319.85 = 111,012.06 : x
  2. Step 2: Convert to fraction form
    231,014.86/346,319.85 = 111,012.06/x
  3. Step 3: Cross multiply
    231,014.86x = 346,319.85 × 111,012.06
  4. Step 4: Simplify right side
    231,014.86x = 38,445,678,235.79
  5. Step 5: Solve for x
    x = 38,445,678,235.79/231,014.86
  6. Step 6: Final answer
    x = 166,420.80

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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.