Home / 348,817.22-523,280.67-149,138.66

Finding the Fourth Proportional to 348,817.22, 523,280.67 and 149,138.66

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Solution

The fourth proportional to 348,817.22, 523,280.67 and 149,138.66 is: 223,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,817.22 : 523,280.67 = 149,138.66 : x
  2. Step 2: Convert to fraction form
    348,817.22/523,280.67 = 149,138.66/x
  3. Step 3: Cross multiply
    348,817.22x = 523,280.67 × 149,138.66
  4. Step 4: Simplify right side
    348,817.22x = 78,041,377,927.70
  5. Step 5: Solve for x
    x = 78,041,377,927.70/348,817.22
  6. Step 6: Final answer
    x = 223,731.44

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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.