Home / 190,646.12-263,091.75-105,763.25

Finding the Fourth Proportional to 190,646.12, 263,091.75 and 105,763.25

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Solution

The fourth proportional to 190,646.12, 263,091.75 and 105,763.25 is: 145,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,646.12 : 263,091.75 = 105,763.25 : x
  2. Step 2: Convert to fraction form
    190,646.12/263,091.75 = 105,763.25/x
  3. Step 3: Cross multiply
    190,646.12x = 263,091.75 × 105,763.25
  4. Step 4: Simplify right side
    190,646.12x = 27,825,438,528.19
  5. Step 5: Solve for x
    x = 27,825,438,528.19/190,646.12
  6. Step 6: Final answer
    x = 145,953.34

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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.