Home / 309,683.02-464,570.70-109,986.62

Finding the Fourth Proportional to 309,683.02, 464,570.70 and 109,986.62

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Solution

The fourth proportional to 309,683.02, 464,570.70 and 109,986.62 is: 164,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,683.02 : 464,570.70 = 109,986.62 : x
  2. Step 2: Convert to fraction form
    309,683.02/464,570.70 = 109,986.62/x
  3. Step 3: Cross multiply
    309,683.02x = 464,570.70 × 109,986.62
  4. Step 4: Simplify right side
    309,683.02x = 51,096,561,044.03
  5. Step 5: Solve for x
    x = 51,096,561,044.03/309,683.02
  6. Step 6: Final answer
    x = 164,996.33

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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.