Home / 190,453.36-262,823.04-105,568.64

Finding the Fourth Proportional to 190,453.36, 262,823.04 and 105,568.64

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Solution

The fourth proportional to 190,453.36, 262,823.04 and 105,568.64 is: 145,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,453.36 : 262,823.04 = 105,568.64 : x
  2. Step 2: Convert to fraction form
    190,453.36/262,823.04 = 105,568.64/x
  3. Step 3: Cross multiply
    190,453.36x = 262,823.04 × 105,568.64
  4. Step 4: Simplify right side
    190,453.36x = 27,745,870,893.47
  5. Step 5: Solve for x
    x = 27,745,870,893.47/190,453.36
  6. Step 6: Final answer
    x = 145,683.28

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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.