Home / 348,211.34-522,433.85-134,986.21

Finding the Fourth Proportional to 348,211.34, 522,433.85 and 134,986.21

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Solution

The fourth proportional to 348,211.34, 522,433.85 and 134,986.21 is: 202,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,211.34 : 522,433.85 = 134,986.21 : x
  2. Step 2: Convert to fraction form
    348,211.34/522,433.85 = 134,986.21/x
  3. Step 3: Cross multiply
    348,211.34x = 522,433.85 × 134,986.21
  4. Step 4: Simplify right side
    348,211.34x = 70,521,365,387.21
  5. Step 5: Solve for x
    x = 70,521,365,387.21/348,211.34
  6. Step 6: Final answer
    x = 202,524.61

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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.