Home / 129,336.40-194,004.24-40,590.28

Finding the Fourth Proportional to 129,336.40, 194,004.24 and 40,590.28

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Solution

The fourth proportional to 129,336.40, 194,004.24 and 40,590.28 is: 60,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,336.40 : 194,004.24 = 40,590.28 : x
  2. Step 2: Convert to fraction form
    129,336.40/194,004.24 = 40,590.28/x
  3. Step 3: Cross multiply
    129,336.40x = 194,004.24 × 40,590.28
  4. Step 4: Simplify right side
    129,336.40x = 7,874,686,422.79
  5. Step 5: Solve for x
    x = 7,874,686,422.79/129,336.40
  6. Step 6: Final answer
    x = 60,885.31

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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.