Home / 205,615.62-307,570.49-193,018.50

Finding the Fourth Proportional to 205,615.62, 307,570.49 and 193,018.50

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Solution

The fourth proportional to 205,615.62, 307,570.49 and 193,018.50 is: 288,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,615.62 : 307,570.49 = 193,018.50 : x
  2. Step 2: Convert to fraction form
    205,615.62/307,570.49 = 193,018.50/x
  3. Step 3: Cross multiply
    205,615.62x = 307,570.49 × 193,018.50
  4. Step 4: Simplify right side
    205,615.62x = 59,366,793,658.97
  5. Step 5: Solve for x
    x = 59,366,793,658.97/205,615.62
  6. Step 6: Final answer
    x = 288,727.06

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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.