Home / 141,311.32-195,009.57-77,653.22

Finding the Fourth Proportional to 141,311.32, 195,009.57 and 77,653.22

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Solution

The fourth proportional to 141,311.32, 195,009.57 and 77,653.22 is: 107,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,311.32 : 195,009.57 = 77,653.22 : x
  2. Step 2: Convert to fraction form
    141,311.32/195,009.57 = 77,653.22/x
  3. Step 3: Cross multiply
    141,311.32x = 195,009.57 × 77,653.22
  4. Step 4: Simplify right side
    141,311.32x = 15,143,121,041.32
  5. Step 5: Solve for x
    x = 15,143,121,041.32/141,311.32
  6. Step 6: Final answer
    x = 107,161.42

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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.