Home / 140,309.24-193,672.89-111,681.41

Finding the Fourth Proportional to 140,309.24, 193,672.89 and 111,681.41

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Solution

The fourth proportional to 140,309.24, 193,672.89 and 111,681.41 is: 154,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,309.24 : 193,672.89 = 111,681.41 : x
  2. Step 2: Convert to fraction form
    140,309.24/193,672.89 = 111,681.41/x
  3. Step 3: Cross multiply
    140,309.24x = 193,672.89 × 111,681.41
  4. Step 4: Simplify right side
    140,309.24x = 21,629,660,465.61
  5. Step 5: Solve for x
    x = 21,629,660,465.61/140,309.24
  6. Step 6: Final answer
    x = 154,157.07

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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.