Home / 307,657.06-424,555.67-192,997.43

Finding the Fourth Proportional to 307,657.06, 424,555.67 and 192,997.43

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Solution

The fourth proportional to 307,657.06, 424,555.67 and 192,997.43 is: 266,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,657.06 : 424,555.67 = 192,997.43 : x
  2. Step 2: Convert to fraction form
    307,657.06/424,555.67 = 192,997.43/x
  3. Step 3: Cross multiply
    307,657.06x = 424,555.67 × 192,997.43
  4. Step 4: Simplify right side
    307,657.06x = 81,938,153,201.93
  5. Step 5: Solve for x
    x = 81,938,153,201.93/307,657.06
  6. Step 6: Final answer
    x = 266,329.51

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1.5x scale

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.