Home / 190,618.94-263,085.68-105,763.34

Finding the Fourth Proportional to 190,618.94, 263,085.68 and 105,763.34

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Solution

The fourth proportional to 190,618.94, 263,085.68 and 105,763.34 is: 145,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,618.94 : 263,085.68 = 105,763.34 : x
  2. Step 2: Convert to fraction form
    190,618.94/263,085.68 = 105,763.34/x
  3. Step 3: Cross multiply
    190,618.94x = 263,085.68 × 105,763.34
  4. Step 4: Simplify right side
    190,618.94x = 27,824,820,222.97
  5. Step 5: Solve for x
    x = 27,824,820,222.97/190,618.94
  6. Step 6: Final answer
    x = 145,970.91

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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.