Home / 204,030.70-306,046.05-109,552.30

Finding the Fourth Proportional to 204,030.70, 306,046.05 and 109,552.30

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Solution

The fourth proportional to 204,030.70, 306,046.05 and 109,552.30 is: 164,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,030.70 : 306,046.05 = 109,552.30 : x
  2. Step 2: Convert to fraction form
    204,030.70/306,046.05 = 109,552.30/x
  3. Step 3: Cross multiply
    204,030.70x = 306,046.05 × 109,552.30
  4. Step 4: Simplify right side
    204,030.70x = 33,528,048,683.42
  5. Step 5: Solve for x
    x = 33,528,048,683.42/204,030.70
  6. Step 6: Final answer
    x = 164,328.45

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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.