Home / 190,987.50-263,567.44-104,945.78

Finding the Fourth Proportional to 190,987.50, 263,567.44 and 104,945.78

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Solution

The fourth proportional to 190,987.50, 263,567.44 and 104,945.78 is: 144,827.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,987.50 : 263,567.44 = 104,945.78 : x
  2. Step 2: Convert to fraction form
    190,987.50/263,567.44 = 104,945.78/x
  3. Step 3: Cross multiply
    190,987.50x = 263,567.44 × 104,945.78
  4. Step 4: Simplify right side
    190,987.50x = 27,660,290,573.40
  5. Step 5: Solve for x
    x = 27,660,290,573.40/190,987.50
  6. Step 6: Final answer
    x = 144,827.75

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1.5x scale

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.