Home / 204,359.40-306,548.70-64,122.60

Finding the Fourth Proportional to 204,359.40, 306,548.70 and 64,122.60

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Solution

The fourth proportional to 204,359.40, 306,548.70 and 64,122.60 is: 96,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,359.40 : 306,548.70 = 64,122.60 : x
  2. Step 2: Convert to fraction form
    204,359.40/306,548.70 = 64,122.60/x
  3. Step 3: Cross multiply
    204,359.40x = 306,548.70 × 64,122.60
  4. Step 4: Simplify right side
    204,359.40x = 19,656,699,670.62
  5. Step 5: Solve for x
    x = 19,656,699,670.62/204,359.40
  6. Step 6: Final answer
    x = 96,186.91

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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.