Home / 343,741.04-515,647.20-119,101.04

Finding the Fourth Proportional to 343,741.04, 515,647.20 and 119,101.04

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Solution

The fourth proportional to 343,741.04, 515,647.20 and 119,101.04 is: 178,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,741.04 : 515,647.20 = 119,101.04 : x
  2. Step 2: Convert to fraction form
    343,741.04/515,647.20 = 119,101.04/x
  3. Step 3: Cross multiply
    343,741.04x = 515,647.20 × 119,101.04
  4. Step 4: Simplify right side
    343,741.04x = 61,414,117,793.09
  5. Step 5: Solve for x
    x = 61,414,117,793.09/343,741.04
  6. Step 6: Final answer
    x = 178,663.91

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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.