Home / 198,526.89-297,845.91-80,281.26

Finding the Fourth Proportional to 198,526.89, 297,845.91 and 80,281.26

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Solution

The fourth proportional to 198,526.89, 297,845.91 and 80,281.26 is: 120,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,526.89 : 297,845.91 = 80,281.26 : x
  2. Step 2: Convert to fraction form
    198,526.89/297,845.91 = 80,281.26/x
  3. Step 3: Cross multiply
    198,526.89x = 297,845.91 × 80,281.26
  4. Step 4: Simplify right side
    198,526.89x = 23,911,444,940.65
  5. Step 5: Solve for x
    x = 23,911,444,940.65/198,526.89
  6. Step 6: Final answer
    x = 120,444.36

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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.