Home / 395,231.16-592,662.20-142,478.36

Finding the Fourth Proportional to 395,231.16, 592,662.20 and 142,478.36

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Solution

The fourth proportional to 395,231.16, 592,662.20 and 142,478.36 is: 213,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,231.16 : 592,662.20 = 142,478.36 : x
  2. Step 2: Convert to fraction form
    395,231.16/592,662.20 = 142,478.36/x
  3. Step 3: Cross multiply
    395,231.16x = 592,662.20 × 142,478.36
  4. Step 4: Simplify right side
    395,231.16x = 84,441,538,289.99
  5. Step 5: Solve for x
    x = 84,441,538,289.99/395,231.16
  6. Step 6: Final answer
    x = 213,651.01

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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.