Home / 183,986.40-275,979.60-57,637.20

Finding the Fourth Proportional to 183,986.40, 275,979.60 and 57,637.20

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Solution

The fourth proportional to 183,986.40, 275,979.60 and 57,637.20 is: 86,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,986.40 : 275,979.60 = 57,637.20 : x
  2. Step 2: Convert to fraction form
    183,986.40/275,979.60 = 57,637.20/x
  3. Step 3: Cross multiply
    183,986.40x = 275,979.60 × 57,637.20
  4. Step 4: Simplify right side
    183,986.40x = 15,906,691,401.12
  5. Step 5: Solve for x
    x = 15,906,691,401.12/183,986.40
  6. Step 6: Final answer
    x = 86,455.80

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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.