Home / 190,675.89-263,126.48-105,799.23

Finding the Fourth Proportional to 190,675.89, 263,126.48 and 105,799.23

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Solution

The fourth proportional to 190,675.89, 263,126.48 and 105,799.23 is: 145,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,675.89 : 263,126.48 = 105,799.23 : x
  2. Step 2: Convert to fraction form
    190,675.89/263,126.48 = 105,799.23/x
  3. Step 3: Cross multiply
    190,675.89x = 263,126.48 × 105,799.23
  4. Step 4: Simplify right side
    190,675.89x = 27,838,578,447.61
  5. Step 5: Solve for x
    x = 27,838,578,447.61/190,675.89
  6. Step 6: Final answer
    x = 145,999.47

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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.