Home / 345,930.30-477,382.98-195,026.22

Finding the Fourth Proportional to 345,930.30, 477,382.98 and 195,026.22

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Solution

The fourth proportional to 345,930.30, 477,382.98 and 195,026.22 is: 269,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,930.30 : 477,382.98 = 195,026.22 : x
  2. Step 2: Convert to fraction form
    345,930.30/477,382.98 = 195,026.22/x
  3. Step 3: Cross multiply
    345,930.30x = 477,382.98 × 195,026.22
  4. Step 4: Simplify right side
    345,930.30x = 93,102,198,081.74
  5. Step 5: Solve for x
    x = 93,102,198,081.74/345,930.30
  6. Step 6: Final answer
    x = 269,135.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.