Home / 141,736.32-195,596.64-78,073.92

Finding the Fourth Proportional to 141,736.32, 195,596.64 and 78,073.92

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Solution

The fourth proportional to 141,736.32, 195,596.64 and 78,073.92 is: 107,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,736.32 : 195,596.64 = 78,073.92 : x
  2. Step 2: Convert to fraction form
    141,736.32/195,596.64 = 78,073.92/x
  3. Step 3: Cross multiply
    141,736.32x = 195,596.64 × 78,073.92
  4. Step 4: Simplify right side
    141,736.32x = 15,270,996,423.63
  5. Step 5: Solve for x
    x = 15,270,996,423.63/141,736.32
  6. Step 6: Final answer
    x = 107,742.30

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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.