Home / 204,430.95-306,709.23-104,661.20

Finding the Fourth Proportional to 204,430.95, 306,709.23 and 104,661.20

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Solution

The fourth proportional to 204,430.95, 306,709.23 and 104,661.20 is: 157,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,430.95 : 306,709.23 = 104,661.20 : x
  2. Step 2: Convert to fraction form
    204,430.95/306,709.23 = 104,661.20/x
  3. Step 3: Cross multiply
    204,430.95x = 306,709.23 × 104,661.20
  4. Step 4: Simplify right side
    204,430.95x = 32,100,554,529.33
  5. Step 5: Solve for x
    x = 32,100,554,529.33/204,430.95
  6. Step 6: Final answer
    x = 157,023.95

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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.