Home / 427,107.48-589,420.62-236,133.15

Finding the Fourth Proportional to 427,107.48, 589,420.62 and 236,133.15

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Solution

The fourth proportional to 427,107.48, 589,420.62 and 236,133.15 is: 325,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,107.48 : 589,420.62 = 236,133.15 : x
  2. Step 2: Convert to fraction form
    427,107.48/589,420.62 = 236,133.15/x
  3. Step 3: Cross multiply
    427,107.48x = 589,420.62 × 236,133.15
  4. Step 4: Simplify right side
    427,107.48x = 139,181,747,675.55
  5. Step 5: Solve for x
    x = 139,181,747,675.55/427,107.48
  6. Step 6: Final answer
    x = 325,870.55

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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.