Home / 141,416.92-195,153.60-77,754.16

Finding the Fourth Proportional to 141,416.92, 195,153.60 and 77,754.16

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Solution

The fourth proportional to 141,416.92, 195,153.60 and 77,754.16 is: 107,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,416.92 : 195,153.60 = 77,754.16 : x
  2. Step 2: Convert to fraction form
    141,416.92/195,153.60 = 77,754.16/x
  3. Step 3: Cross multiply
    141,416.92x = 195,153.60 × 77,754.16
  4. Step 4: Simplify right side
    141,416.92x = 15,174,004,238.98
  5. Step 5: Solve for x
    x = 15,174,004,238.98/141,416.92
  6. Step 6: Final answer
    x = 107,299.78

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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.