Home / 140,917.74-194,460.36-84,360.30

Finding the Fourth Proportional to 140,917.74, 194,460.36 and 84,360.30

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Solution

The fourth proportional to 140,917.74, 194,460.36 and 84,360.30 is: 116,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,917.74 : 194,460.36 = 84,360.30 : x
  2. Step 2: Convert to fraction form
    140,917.74/194,460.36 = 84,360.30/x
  3. Step 3: Cross multiply
    140,917.74x = 194,460.36 × 84,360.30
  4. Step 4: Simplify right side
    140,917.74x = 16,404,734,307.71
  5. Step 5: Solve for x
    x = 16,404,734,307.71/140,917.74
  6. Step 6: Final answer
    x = 116,413.55

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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.