Home / 343,669.80-515,543.10-107,010.60

Finding the Fourth Proportional to 343,669.80, 515,543.10 and 107,010.60

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Solution

The fourth proportional to 343,669.80, 515,543.10 and 107,010.60 is: 160,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,669.80 : 515,543.10 = 107,010.60 : x
  2. Step 2: Convert to fraction form
    343,669.80/515,543.10 = 107,010.60/x
  3. Step 3: Cross multiply
    343,669.80x = 515,543.10 × 107,010.60
  4. Step 4: Simplify right side
    343,669.80x = 55,168,576,456.86
  5. Step 5: Solve for x
    x = 55,168,576,456.86/343,669.80
  6. Step 6: Final answer
    x = 160,527.86

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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.