Home / 190,988.50-263,568.82-104,946.78

Finding the Fourth Proportional to 190,988.50, 263,568.82 and 104,946.78

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Solution

The fourth proportional to 190,988.50, 263,568.82 and 104,946.78 is: 144,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,988.50 : 263,568.82 = 104,946.78 : x
  2. Step 2: Convert to fraction form
    190,988.50/263,568.82 = 104,946.78/x
  3. Step 3: Cross multiply
    190,988.50x = 263,568.82 × 104,946.78
  4. Step 4: Simplify right side
    190,988.50x = 27,660,698,967.40
  5. Step 5: Solve for x
    x = 27,660,698,967.40/190,988.50
  6. Step 6: Final answer
    x = 144,829.13

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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.