Home / 372,396.52-514,081.38-238,338.28

Finding the Fourth Proportional to 372,396.52, 514,081.38 and 238,338.28

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Solution

The fourth proportional to 372,396.52, 514,081.38 and 238,338.28 is: 329,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,396.52 : 514,081.38 = 238,338.28 : x
  2. Step 2: Convert to fraction form
    372,396.52/514,081.38 = 238,338.28/x
  3. Step 3: Cross multiply
    372,396.52x = 514,081.38 × 238,338.28
  4. Step 4: Simplify right side
    372,396.52x = 122,525,271,889.23
  5. Step 5: Solve for x
    x = 122,525,271,889.23/372,396.52
  6. Step 6: Final answer
    x = 329,018.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.