Home / 141,140.22-194,767.38-77,479.08

Finding the Fourth Proportional to 141,140.22, 194,767.38 and 77,479.08

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Solution

The fourth proportional to 141,140.22, 194,767.38 and 77,479.08 is: 106,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,140.22 : 194,767.38 = 77,479.08 : x
  2. Step 2: Convert to fraction form
    141,140.22/194,767.38 = 77,479.08/x
  3. Step 3: Cross multiply
    141,140.22x = 194,767.38 × 77,479.08
  4. Step 4: Simplify right side
    141,140.22x = 15,090,397,416.41
  5. Step 5: Solve for x
    x = 15,090,397,416.41/141,140.22
  6. Step 6: Final answer
    x = 106,917.77

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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.