Home / 152,313.82-228,495.34-47,132.80

Finding the Fourth Proportional to 152,313.82, 228,495.34 and 47,132.80

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Solution

The fourth proportional to 152,313.82, 228,495.34 and 47,132.80 is: 70,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,313.82 : 228,495.34 = 47,132.80 : x
  2. Step 2: Convert to fraction form
    152,313.82/228,495.34 = 47,132.80/x
  3. Step 3: Cross multiply
    152,313.82x = 228,495.34 × 47,132.80
  4. Step 4: Simplify right side
    152,313.82x = 10,769,625,161.15
  5. Step 5: Solve for x
    x = 10,769,625,161.15/152,313.82
  6. Step 6: Final answer
    x = 70,706.82

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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.