Home / 141,457.92-195,204.24-77,785.44

Finding the Fourth Proportional to 141,457.92, 195,204.24 and 77,785.44

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Solution

The fourth proportional to 141,457.92, 195,204.24 and 77,785.44 is: 107,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,457.92 : 195,204.24 = 77,785.44 : x
  2. Step 2: Convert to fraction form
    141,457.92/195,204.24 = 77,785.44/x
  3. Step 3: Cross multiply
    141,457.92x = 195,204.24 × 77,785.44
  4. Step 4: Simplify right side
    141,457.92x = 15,184,047,698.27
  5. Step 5: Solve for x
    x = 15,184,047,698.27/141,457.92
  6. Step 6: Final answer
    x = 107,339.68

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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.