Home / 307,178.03-460,766.64-142,844.12

Finding the Fourth Proportional to 307,178.03, 460,766.64 and 142,844.12

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Solution

The fourth proportional to 307,178.03, 460,766.64 and 142,844.12 is: 214,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,178.03 : 460,766.64 = 142,844.12 : x
  2. Step 2: Convert to fraction form
    307,178.03/460,766.64 = 142,844.12/x
  3. Step 3: Cross multiply
    307,178.03x = 460,766.64 × 142,844.12
  4. Step 4: Simplify right side
    307,178.03x = 65,817,802,912.32
  5. Step 5: Solve for x
    x = 65,817,802,912.32/307,178.03
  6. Step 6: Final answer
    x = 214,265.98

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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.