Home / 141,486.06-195,246.69-77,823.86

Finding the Fourth Proportional to 141,486.06, 195,246.69 and 77,823.86

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Solution

The fourth proportional to 141,486.06, 195,246.69 and 77,823.86 is: 107,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,486.06 : 195,246.69 = 77,823.86 : x
  2. Step 2: Convert to fraction form
    141,486.06/195,246.69 = 77,823.86/x
  3. Step 3: Cross multiply
    141,486.06x = 195,246.69 × 77,823.86
  4. Step 4: Simplify right side
    141,486.06x = 15,194,850,091.79
  5. Step 5: Solve for x
    x = 15,194,850,091.79/141,486.06
  6. Step 6: Final answer
    x = 107,394.68

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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.