Home / 204,325.20-306,487.80-64,083.60

Finding the Fourth Proportional to 204,325.20, 306,487.80 and 64,083.60

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Solution

The fourth proportional to 204,325.20, 306,487.80 and 64,083.60 is: 96,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,325.20 : 306,487.80 = 64,083.60 : x
  2. Step 2: Convert to fraction form
    204,325.20/306,487.80 = 64,083.60/x
  3. Step 3: Cross multiply
    204,325.20x = 306,487.80 × 64,083.60
  4. Step 4: Simplify right side
    204,325.20x = 19,640,841,580.08
  5. Step 5: Solve for x
    x = 19,640,841,580.08/204,325.20
  6. Step 6: Final answer
    x = 96,125.40

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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.