Home / 129,534.32-194,308.41-40,794.74

Finding the Fourth Proportional to 129,534.32, 194,308.41 and 40,794.74

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Solution

The fourth proportional to 129,534.32, 194,308.41 and 40,794.74 is: 61,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,534.32 : 194,308.41 = 40,794.74 : x
  2. Step 2: Convert to fraction form
    129,534.32/194,308.41 = 40,794.74/x
  3. Step 3: Cross multiply
    129,534.32x = 194,308.41 × 40,794.74
  4. Step 4: Simplify right side
    129,534.32x = 7,926,760,094.22
  5. Step 5: Solve for x
    x = 7,926,760,094.22/129,534.32
  6. Step 6: Final answer
    x = 61,194.29

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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.