Home / 346,120.80-519,235.20-109,440.96

Finding the Fourth Proportional to 346,120.80, 519,235.20 and 109,440.96

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Solution

The fourth proportional to 346,120.80, 519,235.20 and 109,440.96 is: 164,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,120.80 : 519,235.20 = 109,440.96 : x
  2. Step 2: Convert to fraction form
    346,120.80/519,235.20 = 109,440.96/x
  3. Step 3: Cross multiply
    346,120.80x = 519,235.20 × 109,440.96
  4. Step 4: Simplify right side
    346,120.80x = 56,825,598,753.79
  5. Step 5: Solve for x
    x = 56,825,598,753.79/346,120.80
  6. Step 6: Final answer
    x = 164,178.51

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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.