Home / 357,618.18-536,520.57-207,714.36

Finding the Fourth Proportional to 357,618.18, 536,520.57 and 207,714.36

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Solution

The fourth proportional to 357,618.18, 536,520.57 and 207,714.36 is: 311,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,618.18 : 536,520.57 = 207,714.36 : x
  2. Step 2: Convert to fraction form
    357,618.18/536,520.57 = 207,714.36/x
  3. Step 3: Cross multiply
    357,618.18x = 536,520.57 × 207,714.36
  4. Step 4: Simplify right side
    357,618.18x = 111,443,026,824.39
  5. Step 5: Solve for x
    x = 111,443,026,824.39/357,618.18
  6. Step 6: Final answer
    x = 311,625.73

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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.