Home / 374,442.20-561,663.30-108,211.40

Finding the Fourth Proportional to 374,442.20, 561,663.30 and 108,211.40

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Solution

The fourth proportional to 374,442.20, 561,663.30 and 108,211.40 is: 162,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,442.20 : 561,663.30 = 108,211.40 : x
  2. Step 2: Convert to fraction form
    374,442.20/561,663.30 = 108,211.40/x
  3. Step 3: Cross multiply
    374,442.20x = 561,663.30 × 108,211.40
  4. Step 4: Simplify right side
    374,442.20x = 60,778,372,021.62
  5. Step 5: Solve for x
    x = 60,778,372,021.62/374,442.20
  6. Step 6: Final answer
    x = 162,317.10

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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.