Home / 192,126.21-265,133.14-111,573.53

Finding the Fourth Proportional to 192,126.21, 265,133.14 and 111,573.53

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Solution

The fourth proportional to 192,126.21, 265,133.14 and 111,573.53 is: 153,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,126.21 : 265,133.14 = 111,573.53 : x
  2. Step 2: Convert to fraction form
    192,126.21/265,133.14 = 111,573.53/x
  3. Step 3: Cross multiply
    192,126.21x = 265,133.14 × 111,573.53
  4. Step 4: Simplify right side
    192,126.21x = 29,581,840,349.78
  5. Step 5: Solve for x
    x = 29,581,840,349.78/192,126.21
  6. Step 6: Final answer
    x = 153,970.87

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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.