Home / 405,193.48-559,165.62-223,900.36

Finding the Fourth Proportional to 405,193.48, 559,165.62 and 223,900.36

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Solution

The fourth proportional to 405,193.48, 559,165.62 and 223,900.36 is: 308,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,193.48 : 559,165.62 = 223,900.36 : x
  2. Step 2: Convert to fraction form
    405,193.48/559,165.62 = 223,900.36/x
  3. Step 3: Cross multiply
    405,193.48x = 559,165.62 × 223,900.36
  4. Step 4: Simplify right side
    405,193.48x = 125,197,383,617.62
  5. Step 5: Solve for x
    x = 125,197,383,617.62/405,193.48
  6. Step 6: Final answer
    x = 308,981.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.