Home / 152,415.84-228,540.24-47,205.60

Finding the Fourth Proportional to 152,415.84, 228,540.24 and 47,205.60

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Solution

The fourth proportional to 152,415.84, 228,540.24 and 47,205.60 is: 70,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,415.84 : 228,540.24 = 47,205.60 : x
  2. Step 2: Convert to fraction form
    152,415.84/228,540.24 = 47,205.60/x
  3. Step 3: Cross multiply
    152,415.84x = 228,540.24 × 47,205.60
  4. Step 4: Simplify right side
    152,415.84x = 10,788,379,153.34
  5. Step 5: Solve for x
    x = 10,788,379,153.34/152,415.84
  6. Step 6: Final answer
    x = 70,782.53

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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.