Home / 395,928.04-593,903.40-143,231.80

Finding the Fourth Proportional to 395,928.04, 593,903.40 and 143,231.80

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Solution

The fourth proportional to 395,928.04, 593,903.40 and 143,231.80 is: 214,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,928.04 : 593,903.40 = 143,231.80 : x
  2. Step 2: Convert to fraction form
    395,928.04/593,903.40 = 143,231.80/x
  3. Step 3: Cross multiply
    395,928.04x = 593,903.40 × 143,231.80
  4. Step 4: Simplify right side
    395,928.04x = 85,065,853,008.12
  5. Step 5: Solve for x
    x = 85,065,853,008.12/395,928.04
  6. Step 6: Final answer
    x = 214,851.80

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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.