Home / 147,907.20-222,006.60-73,111.80

Finding the Fourth Proportional to 147,907.20, 222,006.60 and 73,111.80

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Solution

The fourth proportional to 147,907.20, 222,006.60 and 73,111.80 is: 109,739.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,907.20 : 222,006.60 = 73,111.80 : x
  2. Step 2: Convert to fraction form
    147,907.20/222,006.60 = 73,111.80/x
  3. Step 3: Cross multiply
    147,907.20x = 222,006.60 × 73,111.80
  4. Step 4: Simplify right side
    147,907.20x = 16,231,302,137.88
  5. Step 5: Solve for x
    x = 16,231,302,137.88/147,907.20
  6. Step 6: Final answer
    x = 109,739.77

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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.