Home / 141,466.62-195,228.06-77,808.54

Finding the Fourth Proportional to 141,466.62, 195,228.06 and 77,808.54

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Solution

The fourth proportional to 141,466.62, 195,228.06 and 77,808.54 is: 107,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,466.62 : 195,228.06 = 77,808.54 : x
  2. Step 2: Convert to fraction form
    141,466.62/195,228.06 = 77,808.54/x
  3. Step 3: Cross multiply
    141,466.62x = 195,228.06 × 77,808.54
  4. Step 4: Simplify right side
    141,466.62x = 15,190,410,315.63
  5. Step 5: Solve for x
    x = 15,190,410,315.63/141,466.62
  6. Step 6: Final answer
    x = 107,378.05

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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.