Home / 129,945.32-194,986.28-92,237.93

Finding the Fourth Proportional to 129,945.32, 194,986.28 and 92,237.93

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Solution

The fourth proportional to 129,945.32, 194,986.28 and 92,237.93 is: 138,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,945.32 : 194,986.28 = 92,237.93 : x
  2. Step 2: Convert to fraction form
    129,945.32/194,986.28 = 92,237.93/x
  3. Step 3: Cross multiply
    129,945.32x = 194,986.28 × 92,237.93
  4. Step 4: Simplify right side
    129,945.32x = 17,985,129,409.48
  5. Step 5: Solve for x
    x = 17,985,129,409.48/129,945.32
  6. Step 6: Final answer
    x = 138,405.37

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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.