Home / 140,781.51-194,188.98-92,386.57

Finding the Fourth Proportional to 140,781.51, 194,188.98 and 92,386.57

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Solution

The fourth proportional to 140,781.51, 194,188.98 and 92,386.57 is: 127,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,781.51 : 194,188.98 = 92,386.57 : x
  2. Step 2: Convert to fraction form
    140,781.51/194,188.98 = 92,386.57/x
  3. Step 3: Cross multiply
    140,781.51x = 194,188.98 × 92,386.57
  4. Step 4: Simplify right side
    140,781.51x = 17,940,453,794.00
  5. Step 5: Solve for x
    x = 17,940,453,794.00/140,781.51
  6. Step 6: Final answer
    x = 127,434.73

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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.