Home / 354,051.06-531,539.55-210,219.41

Finding the Fourth Proportional to 354,051.06, 531,539.55 and 210,219.41

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Solution

The fourth proportional to 354,051.06, 531,539.55 and 210,219.41 is: 315,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,051.06 : 531,539.55 = 210,219.41 : x
  2. Step 2: Convert to fraction form
    354,051.06/531,539.55 = 210,219.41/x
  3. Step 3: Cross multiply
    354,051.06x = 531,539.55 × 210,219.41
  4. Step 4: Simplify right side
    354,051.06x = 111,739,930,592.67
  5. Step 5: Solve for x
    x = 111,739,930,592.67/354,051.06
  6. Step 6: Final answer
    x = 315,604.00

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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.