Home / 141,924.48-195,855.72-81,499.08

Finding the Fourth Proportional to 141,924.48, 195,855.72 and 81,499.08

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Solution

The fourth proportional to 141,924.48, 195,855.72 and 81,499.08 is: 112,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,924.48 : 195,855.72 = 81,499.08 : x
  2. Step 2: Convert to fraction form
    141,924.48/195,855.72 = 81,499.08/x
  3. Step 3: Cross multiply
    141,924.48x = 195,855.72 × 81,499.08
  4. Step 4: Simplify right side
    141,924.48x = 15,962,060,992.74
  5. Step 5: Solve for x
    x = 15,962,060,992.74/141,924.48
  6. Step 6: Final answer
    x = 112,468.69

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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.