Home / 346,311.40-519,467.10-159,687.40

Finding the Fourth Proportional to 346,311.40, 519,467.10 and 159,687.40

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Solution

The fourth proportional to 346,311.40, 519,467.10 and 159,687.40 is: 239,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,311.40 : 519,467.10 = 159,687.40 : x
  2. Step 2: Convert to fraction form
    346,311.40/519,467.10 = 159,687.40/x
  3. Step 3: Cross multiply
    346,311.40x = 519,467.10 × 159,687.40
  4. Step 4: Simplify right side
    346,311.40x = 82,952,350,584.54
  5. Step 5: Solve for x
    x = 82,952,350,584.54/346,311.40
  6. Step 6: Final answer
    x = 239,531.10

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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.