Home / 373,320.19-515,182.38-203,554.32

Finding the Fourth Proportional to 373,320.19, 515,182.38 and 203,554.32

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Solution

The fourth proportional to 373,320.19, 515,182.38 and 203,554.32 is: 280,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,320.19 : 515,182.38 = 203,554.32 : x
  2. Step 2: Convert to fraction form
    373,320.19/515,182.38 = 203,554.32/x
  3. Step 3: Cross multiply
    373,320.19x = 515,182.38 × 203,554.32
  4. Step 4: Simplify right side
    373,320.19x = 104,867,599,036.88
  5. Step 5: Solve for x
    x = 104,867,599,036.88/373,320.19
  6. Step 6: Final answer
    x = 280,905.24

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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.