Home / 393,044.36-589,537.37-140,296.01

Finding the Fourth Proportional to 393,044.36, 589,537.37 and 140,296.01

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Solution

The fourth proportional to 393,044.36, 589,537.37 and 140,296.01 is: 210,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,044.36 : 589,537.37 = 140,296.01 : x
  2. Step 2: Convert to fraction form
    393,044.36/589,537.37 = 140,296.01/x
  3. Step 3: Cross multiply
    393,044.36x = 589,537.37 × 140,296.01
  4. Step 4: Simplify right side
    393,044.36x = 82,709,738,159.95
  5. Step 5: Solve for x
    x = 82,709,738,159.95/393,044.36
  6. Step 6: Final answer
    x = 210,433.60

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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.