Home / 254,989.37-382,567.26-121,880.00

Finding the Fourth Proportional to 254,989.37, 382,567.26 and 121,880.00

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Solution

The fourth proportional to 254,989.37, 382,567.26 and 121,880.00 is: 182,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,989.37 : 382,567.26 = 121,880.00 : x
  2. Step 2: Convert to fraction form
    254,989.37/382,567.26 = 121,880.00/x
  3. Step 3: Cross multiply
    254,989.37x = 382,567.26 × 121,880.00
  4. Step 4: Simplify right side
    254,989.37x = 46,627,295,735.96
  5. Step 5: Solve for x
    x = 46,627,295,735.96/254,989.37
  6. Step 6: Final answer
    x = 182,859.77

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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.