Home / 638,004.52-957,146.91-188,690.36

Finding the Fourth Proportional to 638,004.52, 957,146.91 and 188,690.36

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Solution

The fourth proportional to 638,004.52, 957,146.91 and 188,690.36 is: 283,076.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,004.52 : 957,146.91 = 188,690.36 : x
  2. Step 2: Convert to fraction form
    638,004.52/957,146.91 = 188,690.36/x
  3. Step 3: Cross multiply
    638,004.52x = 957,146.91 × 188,690.36
  4. Step 4: Simplify right side
    638,004.52x = 180,604,395,972.80
  5. Step 5: Solve for x
    x = 180,604,395,972.80/638,004.52
  6. Step 6: Final answer
    x = 283,076.99

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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.