Home / 141,853.64-195,757.99-77,322.96

Finding the Fourth Proportional to 141,853.64, 195,757.99 and 77,322.96

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Solution

The fourth proportional to 141,853.64, 195,757.99 and 77,322.96 is: 106,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,853.64 : 195,757.99 = 77,322.96 : x
  2. Step 2: Convert to fraction form
    141,853.64/195,757.99 = 77,322.96/x
  3. Step 3: Cross multiply
    141,853.64x = 195,757.99 × 77,322.96
  4. Step 4: Simplify right side
    141,853.64x = 15,136,587,037.14
  5. Step 5: Solve for x
    x = 15,136,587,037.14/141,853.64
  6. Step 6: Final answer
    x = 106,705.67

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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.