Home / 200,451.03-276,517.55-123,945.67

Finding the Fourth Proportional to 200,451.03, 276,517.55 and 123,945.67

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Solution

The fourth proportional to 200,451.03, 276,517.55 and 123,945.67 is: 170,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,451.03 : 276,517.55 = 123,945.67 : x
  2. Step 2: Convert to fraction form
    200,451.03/276,517.55 = 123,945.67/x
  3. Step 3: Cross multiply
    200,451.03x = 276,517.55 × 123,945.67
  4. Step 4: Simplify right side
    200,451.03x = 34,273,154,247.01
  5. Step 5: Solve for x
    x = 34,273,154,247.01/200,451.03
  6. Step 6: Final answer
    x = 170,980.18

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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.