Home / 319,461.45-479,141.38-106,211.62

Finding the Fourth Proportional to 319,461.45, 479,141.38 and 106,211.62

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Solution

The fourth proportional to 319,461.45, 479,141.38 and 106,211.62 is: 159,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,461.45 : 479,141.38 = 106,211.62 : x
  2. Step 2: Convert to fraction form
    319,461.45/479,141.38 = 106,211.62/x
  3. Step 3: Cross multiply
    319,461.45x = 479,141.38 × 106,211.62
  4. Step 4: Simplify right side
    319,461.45x = 50,890,382,178.84
  5. Step 5: Solve for x
    x = 50,890,382,178.84/319,461.45
  6. Step 6: Final answer
    x = 159,300.54

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1.5x scale

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.