Home / 198,615.36-297,964.80-58,362.24

Finding the Fourth Proportional to 198,615.36, 297,964.80 and 58,362.24

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Solution

The fourth proportional to 198,615.36, 297,964.80 and 58,362.24 is: 87,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,615.36 : 297,964.80 = 58,362.24 : x
  2. Step 2: Convert to fraction form
    198,615.36/297,964.80 = 58,362.24/x
  3. Step 3: Cross multiply
    198,615.36x = 297,964.80 × 58,362.24
  4. Step 4: Simplify right side
    198,615.36x = 17,389,893,169.15
  5. Step 5: Solve for x
    x = 17,389,893,169.15/198,615.36
  6. Step 6: Final answer
    x = 87,555.63

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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.