Home / 190,915.57-263,448.03-110,348.29

Finding the Fourth Proportional to 190,915.57, 263,448.03 and 110,348.29

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Solution

The fourth proportional to 190,915.57, 263,448.03 and 110,348.29 is: 152,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,915.57 : 263,448.03 = 110,348.29 : x
  2. Step 2: Convert to fraction form
    190,915.57/263,448.03 = 110,348.29/x
  3. Step 3: Cross multiply
    190,915.57x = 263,448.03 × 110,348.29
  4. Step 4: Simplify right side
    190,915.57x = 29,071,039,614.37
  5. Step 5: Solve for x
    x = 29,071,039,614.37/190,915.57
  6. Step 6: Final answer
    x = 152,271.71

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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.