Home / 129,983.27-194,981.85-36,496.31

Finding the Fourth Proportional to 129,983.27, 194,981.85 and 36,496.31

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Solution

The fourth proportional to 129,983.27, 194,981.85 and 36,496.31 is: 54,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,983.27 : 194,981.85 = 36,496.31 : x
  2. Step 2: Convert to fraction form
    129,983.27/194,981.85 = 36,496.31/x
  3. Step 3: Cross multiply
    129,983.27x = 194,981.85 × 36,496.31
  4. Step 4: Simplify right side
    129,983.27x = 7,116,117,067.06
  5. Step 5: Solve for x
    x = 7,116,117,067.06/129,983.27
  6. Step 6: Final answer
    x = 54,746.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.