Home / 345,555.03-518,297.52-92,802.69

Finding the Fourth Proportional to 345,555.03, 518,297.52 and 92,802.69

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Solution

The fourth proportional to 345,555.03, 518,297.52 and 92,802.69 is: 139,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,555.03 : 518,297.52 = 92,802.69 : x
  2. Step 2: Convert to fraction form
    345,555.03/518,297.52 = 92,802.69/x
  3. Step 3: Cross multiply
    345,555.03x = 518,297.52 × 92,802.69
  4. Step 4: Simplify right side
    345,555.03x = 48,099,404,424.34
  5. Step 5: Solve for x
    x = 48,099,404,424.34/345,555.03
  6. Step 6: Final answer
    x = 139,194.63

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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.