Home / 190,837.94-263,364.58-105,955

Finding the Fourth Proportional to 190,837.94, 263,364.58 and 105,955

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Solution

The fourth proportional to 190,837.94, 263,364.58 and 105,955 is: 146,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,837.94 : 263,364.58 = 105,955 : x
  2. Step 2: Convert to fraction form
    190,837.94/263,364.58 = 105,955/x
  3. Step 3: Cross multiply
    190,837.94x = 263,364.58 × 105,955
  4. Step 4: Simplify right side
    190,837.94x = 27,904,794,073.90
  5. Step 5: Solve for x
    x = 27,904,794,073.90/190,837.94
  6. Step 6: Final answer
    x = 146,222.47

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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.