Home / 190,669.64-263,140.45-104,645.25

Finding the Fourth Proportional to 190,669.64, 263,140.45 and 104,645.25

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Solution

The fourth proportional to 190,669.64, 263,140.45 and 104,645.25 is: 144,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,669.64 : 263,140.45 = 104,645.25 : x
  2. Step 2: Convert to fraction form
    190,669.64/263,140.45 = 104,645.25/x
  3. Step 3: Cross multiply
    190,669.64x = 263,140.45 × 104,645.25
  4. Step 4: Simplify right side
    190,669.64x = 27,536,397,913.75
  5. Step 5: Solve for x
    x = 27,536,397,913.75/190,669.64
  6. Step 6: Final answer
    x = 144,419.41

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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.