Home / 190,092.42-262,326.60-105,209.28

Finding the Fourth Proportional to 190,092.42, 262,326.60 and 105,209.28

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Solution

The fourth proportional to 190,092.42, 262,326.60 and 105,209.28 is: 145,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,092.42 : 262,326.60 = 105,209.28 : x
  2. Step 2: Convert to fraction form
    190,092.42/262,326.60 = 105,209.28/x
  3. Step 3: Cross multiply
    190,092.42x = 262,326.60 × 105,209.28
  4. Step 4: Simplify right side
    190,092.42x = 27,599,192,710.85
  5. Step 5: Solve for x
    x = 27,599,192,710.85/190,092.42
  6. Step 6: Final answer
    x = 145,188.29

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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.