Home / 147,230.08-203,155.42-82,696.84

Finding the Fourth Proportional to 147,230.08, 203,155.42 and 82,696.84

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Solution

The fourth proportional to 147,230.08, 203,155.42 and 82,696.84 is: 114,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230.08 : 203,155.42 = 82,696.84 : x
  2. Step 2: Convert to fraction form
    147,230.08/203,155.42 = 82,696.84/x
  3. Step 3: Cross multiply
    147,230.08x = 203,155.42 × 82,696.84
  4. Step 4: Simplify right side
    147,230.08x = 16,800,311,262.87
  5. Step 5: Solve for x
    x = 16,800,311,262.87/147,230.08
  6. Step 6: Final answer
    x = 114,109.23

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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.