Home / 353,014.20-529,783.80-142,653.96

Finding the Fourth Proportional to 353,014.20, 529,783.80 and 142,653.96

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Solution

The fourth proportional to 353,014.20, 529,783.80 and 142,653.96 is: 214,087.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,014.20 : 529,783.80 = 142,653.96 : x
  2. Step 2: Convert to fraction form
    353,014.20/529,783.80 = 142,653.96/x
  3. Step 3: Cross multiply
    353,014.20x = 529,783.80 × 142,653.96
  4. Step 4: Simplify right side
    353,014.20x = 75,575,757,013.85
  5. Step 5: Solve for x
    x = 75,575,757,013.85/353,014.20
  6. Step 6: Final answer
    x = 214,087.02

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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.