Home / 666,176.25-999,272.88-192,862.07

Finding the Fourth Proportional to 666,176.25, 999,272.88 and 192,862.07

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Solution

The fourth proportional to 666,176.25, 999,272.88 and 192,862.07 is: 289,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,176.25 : 999,272.88 = 192,862.07 : x
  2. Step 2: Convert to fraction form
    666,176.25/999,272.88 = 192,862.07/x
  3. Step 3: Cross multiply
    666,176.25x = 999,272.88 × 192,862.07
  4. Step 4: Simplify right side
    666,176.25x = 192,721,831,135.30
  5. Step 5: Solve for x
    x = 192,721,831,135.30/666,176.25
  6. Step 6: Final answer
    x = 289,295.56

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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.