Home / 141,924.48-195,841.44-78,260.64

Finding the Fourth Proportional to 141,924.48, 195,841.44 and 78,260.64

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Solution

The fourth proportional to 141,924.48, 195,841.44 and 78,260.64 is: 107,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,924.48 : 195,841.44 = 78,260.64 : x
  2. Step 2: Convert to fraction form
    141,924.48/195,841.44 = 78,260.64/x
  3. Step 3: Cross multiply
    141,924.48x = 195,841.44 × 78,260.64
  4. Step 4: Simplify right side
    141,924.48x = 15,326,676,432.92
  5. Step 5: Solve for x
    x = 15,326,676,432.92/141,924.48
  6. Step 6: Final answer
    x = 107,991.77

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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.