Home / 204,868.20-307,302.30-200,931.60

Finding the Fourth Proportional to 204,868.20, 307,302.30 and 200,931.60

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Solution

The fourth proportional to 204,868.20, 307,302.30 and 200,931.60 is: 301,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,868.20 : 307,302.30 = 200,931.60 : x
  2. Step 2: Convert to fraction form
    204,868.20/307,302.30 = 200,931.60/x
  3. Step 3: Cross multiply
    204,868.20x = 307,302.30 × 200,931.60
  4. Step 4: Simplify right side
    204,868.20x = 61,746,742,822.68
  5. Step 5: Solve for x
    x = 61,746,742,822.68/204,868.20
  6. Step 6: Final answer
    x = 301,397.40

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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.