Home / 129,416.52-194,122.98-40,675.44

Finding the Fourth Proportional to 129,416.52, 194,122.98 and 40,675.44

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Solution

The fourth proportional to 129,416.52, 194,122.98 and 40,675.44 is: 61,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,416.52 : 194,122.98 = 40,675.44 : x
  2. Step 2: Convert to fraction form
    129,416.52/194,122.98 = 40,675.44/x
  3. Step 3: Cross multiply
    129,416.52x = 194,122.98 × 40,675.44
  4. Step 4: Simplify right side
    129,416.52x = 7,896,037,625.61
  5. Step 5: Solve for x
    x = 7,896,037,625.61/129,416.52
  6. Step 6: Final answer
    x = 61,012.59

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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.