Home / 405,153.20-607,861.02-194,763.80

Finding the Fourth Proportional to 405,153.20, 607,861.02 and 194,763.80

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Solution

The fourth proportional to 405,153.20, 607,861.02 and 194,763.80 is: 292,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,153.20 : 607,861.02 = 194,763.80 : x
  2. Step 2: Convert to fraction form
    405,153.20/607,861.02 = 194,763.80/x
  3. Step 3: Cross multiply
    405,153.20x = 607,861.02 × 194,763.80
  4. Step 4: Simplify right side
    405,153.20x = 118,389,322,127.08
  5. Step 5: Solve for x
    x = 118,389,322,127.08/405,153.20
  6. Step 6: Final answer
    x = 292,208.78

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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.