Home / 194,732.40-290,689.92-171,112.80

Finding the Fourth Proportional to 194,732.40, 290,689.92 and 171,112.80

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Solution

The fourth proportional to 194,732.40, 290,689.92 and 171,112.80 is: 255,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,732.40 : 290,689.92 = 171,112.80 : x
  2. Step 2: Convert to fraction form
    194,732.40/290,689.92 = 171,112.80/x
  3. Step 3: Cross multiply
    194,732.40x = 290,689.92 × 171,112.80
  4. Step 4: Simplify right side
    194,732.40x = 49,740,766,142.98
  5. Step 5: Solve for x
    x = 49,740,766,142.98/194,732.40
  6. Step 6: Final answer
    x = 255,431.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.