Home / 140,661.90-194,146.47-92,917.26

Finding the Fourth Proportional to 140,661.90, 194,146.47 and 92,917.26

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Solution

The fourth proportional to 140,661.90, 194,146.47 and 92,917.26 is: 128,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,661.90 : 194,146.47 = 92,917.26 : x
  2. Step 2: Convert to fraction form
    140,661.90/194,146.47 = 92,917.26/x
  3. Step 3: Cross multiply
    140,661.90x = 194,146.47 × 92,917.26
  4. Step 4: Simplify right side
    140,661.90x = 18,039,558,031.07
  5. Step 5: Solve for x
    x = 18,039,558,031.07/140,661.90
  6. Step 6: Final answer
    x = 128,247.65

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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.