Home / 141,636.94-195,396.51-87,814.06

Finding the Fourth Proportional to 141,636.94, 195,396.51 and 87,814.06

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Solution

The fourth proportional to 141,636.94, 195,396.51 and 87,814.06 is: 121,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,636.94 : 195,396.51 = 87,814.06 : x
  2. Step 2: Convert to fraction form
    141,636.94/195,396.51 = 87,814.06/x
  3. Step 3: Cross multiply
    141,636.94x = 195,396.51 × 87,814.06
  4. Step 4: Simplify right side
    141,636.94x = 17,158,560,852.93
  5. Step 5: Solve for x
    x = 17,158,560,852.93/141,636.94
  6. Step 6: Final answer
    x = 121,144.67

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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.