Home / 353,056.98-529,589.17-139,876.76

Finding the Fourth Proportional to 353,056.98, 529,589.17 and 139,876.76

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Solution

The fourth proportional to 353,056.98, 529,589.17 and 139,876.76 is: 209,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,056.98 : 529,589.17 = 139,876.76 : x
  2. Step 2: Convert to fraction form
    353,056.98/529,589.17 = 139,876.76/x
  3. Step 3: Cross multiply
    353,056.98x = 529,589.17 × 139,876.76
  4. Step 4: Simplify right side
    353,056.98x = 74,077,217,230.69
  5. Step 5: Solve for x
    x = 74,077,217,230.69/353,056.98
  6. Step 6: Final answer
    x = 209,816.61

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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.