Home / 199,639.01-275,626.19-127,082.86

Finding the Fourth Proportional to 199,639.01, 275,626.19 and 127,082.86

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Solution

The fourth proportional to 199,639.01, 275,626.19 and 127,082.86 is: 175,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,639.01 : 275,626.19 = 127,082.86 : x
  2. Step 2: Convert to fraction form
    199,639.01/275,626.19 = 127,082.86/x
  3. Step 3: Cross multiply
    199,639.01x = 275,626.19 × 127,082.86
  4. Step 4: Simplify right side
    199,639.01x = 35,027,364,144.75
  5. Step 5: Solve for x
    x = 35,027,364,144.75/199,639.01
  6. Step 6: Final answer
    x = 175,453.50

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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.