Home / 298,328.13-447,136.55-207,881.16

Finding the Fourth Proportional to 298,328.13, 447,136.55 and 207,881.16

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Solution

The fourth proportional to 298,328.13, 447,136.55 and 207,881.16 is: 311,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,328.13 : 447,136.55 = 207,881.16 : x
  2. Step 2: Convert to fraction form
    298,328.13/447,136.55 = 207,881.16/x
  3. Step 3: Cross multiply
    298,328.13x = 447,136.55 × 207,881.16
  4. Step 4: Simplify right side
    298,328.13x = 92,951,264,692.40
  5. Step 5: Solve for x
    x = 92,951,264,692.40/298,328.13
  6. Step 6: Final answer
    x = 311,573.92

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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.