Home / 129,391.16-194,084.58-58,274.24

Finding the Fourth Proportional to 129,391.16, 194,084.58 and 58,274.24

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Solution

The fourth proportional to 129,391.16, 194,084.58 and 58,274.24 is: 87,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,391.16 : 194,084.58 = 58,274.24 : x
  2. Step 2: Convert to fraction form
    129,391.16/194,084.58 = 58,274.24/x
  3. Step 3: Cross multiply
    129,391.16x = 194,084.58 × 58,274.24
  4. Step 4: Simplify right side
    129,391.16x = 11,310,131,395.22
  5. Step 5: Solve for x
    x = 11,310,131,395.22/129,391.16
  6. Step 6: Final answer
    x = 87,410.39

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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.