Home / 152,282.21-228,445.20-47,109.38

Finding the Fourth Proportional to 152,282.21, 228,445.20 and 47,109.38

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Solution

The fourth proportional to 152,282.21, 228,445.20 and 47,109.38 is: 70,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,282.21 : 228,445.20 = 47,109.38 : x
  2. Step 2: Convert to fraction form
    152,282.21/228,445.20 = 47,109.38/x
  3. Step 3: Cross multiply
    152,282.21x = 228,445.20 × 47,109.38
  4. Step 4: Simplify right side
    152,282.21x = 10,761,910,593.75
  5. Step 5: Solve for x
    x = 10,761,910,593.75/152,282.21
  6. Step 6: Final answer
    x = 70,670.84

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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.