Home / 190,270.50-262,573.29-105,393.03

Finding the Fourth Proportional to 190,270.50, 262,573.29 and 105,393.03

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Solution

The fourth proportional to 190,270.50, 262,573.29 and 105,393.03 is: 145,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,270.50 : 262,573.29 = 105,393.03 : x
  2. Step 2: Convert to fraction form
    190,270.50/262,573.29 = 105,393.03/x
  3. Step 3: Cross multiply
    190,270.50x = 262,573.29 × 105,393.03
  4. Step 4: Simplify right side
    190,270.50x = 27,673,394,630.17
  5. Step 5: Solve for x
    x = 27,673,394,630.17/190,270.50
  6. Step 6: Final answer
    x = 145,442.38

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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.