Home / 129,915.71-194,878.98-41,167.25

Finding the Fourth Proportional to 129,915.71, 194,878.98 and 41,167.25

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Solution

The fourth proportional to 129,915.71, 194,878.98 and 41,167.25 is: 61,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,915.71 : 194,878.98 = 41,167.25 : x
  2. Step 2: Convert to fraction form
    129,915.71/194,878.98 = 41,167.25/x
  3. Step 3: Cross multiply
    129,915.71x = 194,878.98 × 41,167.25
  4. Step 4: Simplify right side
    129,915.71x = 8,022,630,715.01
  5. Step 5: Solve for x
    x = 8,022,630,715.01/129,915.71
  6. Step 6: Final answer
    x = 61,752.59

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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.