Home / 200,572.20-301,004.10-82,328.40

Finding the Fourth Proportional to 200,572.20, 301,004.10 and 82,328.40

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Solution

The fourth proportional to 200,572.20, 301,004.10 and 82,328.40 is: 123,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,572.20 : 301,004.10 = 82,328.40 : x
  2. Step 2: Convert to fraction form
    200,572.20/301,004.10 = 82,328.40/x
  3. Step 3: Cross multiply
    200,572.20x = 301,004.10 × 82,328.40
  4. Step 4: Simplify right side
    200,572.20x = 24,781,185,946.44
  5. Step 5: Solve for x
    x = 24,781,185,946.44/200,572.20
  6. Step 6: Final answer
    x = 123,552.45

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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.