Home / 152,576.10-228,706.20-68,376.60

Finding the Fourth Proportional to 152,576.10, 228,706.20 and 68,376.60

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Solution

The fourth proportional to 152,576.10, 228,706.20 and 68,376.60 is: 102,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,576.10 : 228,706.20 = 68,376.60 : x
  2. Step 2: Convert to fraction form
    152,576.10/228,706.20 = 68,376.60/x
  3. Step 3: Cross multiply
    152,576.10x = 228,706.20 × 68,376.60
  4. Step 4: Simplify right side
    152,576.10x = 15,638,152,354.92
  5. Step 5: Solve for x
    x = 15,638,152,354.92/152,576.10
  6. Step 6: Final answer
    x = 102,494.12

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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.