Home / 346,026.60-518,942.70-109,441.80

Finding the Fourth Proportional to 346,026.60, 518,942.70 and 109,441.80

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Solution

The fourth proportional to 346,026.60, 518,942.70 and 109,441.80 is: 164,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,026.60 : 518,942.70 = 109,441.80 : x
  2. Step 2: Convert to fraction form
    346,026.60/518,942.70 = 109,441.80/x
  3. Step 3: Cross multiply
    346,026.60x = 518,942.70 × 109,441.80
  4. Step 4: Simplify right side
    346,026.60x = 56,794,023,184.86
  5. Step 5: Solve for x
    x = 56,794,023,184.86/346,026.60
  6. Step 6: Final answer
    x = 164,131.96

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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.