Home / 141,407.36-195,137.17-77,744.67

Finding the Fourth Proportional to 141,407.36, 195,137.17 and 77,744.67

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Solution

The fourth proportional to 141,407.36, 195,137.17 and 77,744.67 is: 107,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,407.36 : 195,137.17 = 77,744.67 : x
  2. Step 2: Convert to fraction form
    141,407.36/195,137.17 = 77,744.67/x
  3. Step 3: Cross multiply
    141,407.36x = 195,137.17 × 77,744.67
  4. Step 4: Simplify right side
    141,407.36x = 15,170,874,497.66
  5. Step 5: Solve for x
    x = 15,170,874,497.66/141,407.36
  6. Step 6: Final answer
    x = 107,284.90

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1.5x scale

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.