Home / 343,839.03-515,835.06-113,038.44

Finding the Fourth Proportional to 343,839.03, 515,835.06 and 113,038.44

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Solution

The fourth proportional to 343,839.03, 515,835.06 and 113,038.44 is: 169,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,839.03 : 515,835.06 = 113,038.44 : x
  2. Step 2: Convert to fraction form
    343,839.03/515,835.06 = 113,038.44/x
  3. Step 3: Cross multiply
    343,839.03x = 515,835.06 × 113,038.44
  4. Step 4: Simplify right side
    343,839.03x = 58,309,190,479.71
  5. Step 5: Solve for x
    x = 58,309,190,479.71/343,839.03
  6. Step 6: Final answer
    x = 169,582.81

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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.