Home / 136,227.02-187,922.84-79,605.59

Finding the Fourth Proportional to 136,227.02, 187,922.84 and 79,605.59

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Solution

The fourth proportional to 136,227.02, 187,922.84 and 79,605.59 is: 109,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,227.02 : 187,922.84 = 79,605.59 : x
  2. Step 2: Convert to fraction form
    136,227.02/187,922.84 = 79,605.59/x
  3. Step 3: Cross multiply
    136,227.02x = 187,922.84 × 79,605.59
  4. Step 4: Simplify right side
    136,227.02x = 14,959,707,215.03
  5. Step 5: Solve for x
    x = 14,959,707,215.03/136,227.02
  6. Step 6: Final answer
    x = 109,814.54

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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.