Home / 399,166.23-598,845.02-132,929.05

Finding the Fourth Proportional to 399,166.23, 598,845.02 and 132,929.05

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Solution

The fourth proportional to 399,166.23, 598,845.02 and 132,929.05 is: 199,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,166.23 : 598,845.02 = 132,929.05 : x
  2. Step 2: Convert to fraction form
    399,166.23/598,845.02 = 132,929.05/x
  3. Step 3: Cross multiply
    399,166.23x = 598,845.02 × 132,929.05
  4. Step 4: Simplify right side
    399,166.23x = 79,603,898,108.72
  5. Step 5: Solve for x
    x = 79,603,898,108.72/399,166.23
  6. Step 6: Final answer
    x = 199,425.44

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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.