Home / 353,069.28-529,305.60-153,238.56

Finding the Fourth Proportional to 353,069.28, 529,305.60 and 153,238.56

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Solution

The fourth proportional to 353,069.28, 529,305.60 and 153,238.56 is: 229,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,069.28 : 529,305.60 = 153,238.56 : x
  2. Step 2: Convert to fraction form
    353,069.28/529,305.60 = 153,238.56/x
  3. Step 3: Cross multiply
    353,069.28x = 529,305.60 × 153,238.56
  4. Step 4: Simplify right side
    353,069.28x = 81,110,027,943.94
  5. Step 5: Solve for x
    x = 81,110,027,943.94/353,069.28
  6. Step 6: Final answer
    x = 229,728.36

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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.