Home / 405,137.16-558,975.42-233,046.18

Finding the Fourth Proportional to 405,137.16, 558,975.42 and 233,046.18

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Solution

The fourth proportional to 405,137.16, 558,975.42 and 233,046.18 is: 321,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,137.16 : 558,975.42 = 233,046.18 : x
  2. Step 2: Convert to fraction form
    405,137.16/558,975.42 = 233,046.18/x
  3. Step 3: Cross multiply
    405,137.16x = 558,975.42 × 233,046.18
  4. Step 4: Simplify right side
    405,137.16x = 130,267,086,344.90
  5. Step 5: Solve for x
    x = 130,267,086,344.90/405,137.16
  6. Step 6: Final answer
    x = 321,538.23

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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.