Home / 103,331.40-154,997.10-33,217.80

Finding the Fourth Proportional to 103,331.40, 154,997.10 and 33,217.80

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Solution

The fourth proportional to 103,331.40, 154,997.10 and 33,217.80 is: 49,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.40 : 154,997.10 = 33,217.80 : x
  2. Step 2: Convert to fraction form
    103,331.40/154,997.10 = 33,217.80/x
  3. Step 3: Cross multiply
    103,331.40x = 154,997.10 × 33,217.80
  4. Step 4: Simplify right side
    103,331.40x = 5,148,662,668.38
  5. Step 5: Solve for x
    x = 5,148,662,668.38/103,331.40
  6. Step 6: Final answer
    x = 49,826.70

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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.