Home / 190,246.16-262,536.48-105,361.40

Finding the Fourth Proportional to 190,246.16, 262,536.48 and 105,361.40

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Solution

The fourth proportional to 190,246.16, 262,536.48 and 105,361.40 is: 145,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,246.16 : 262,536.48 = 105,361.40 : x
  2. Step 2: Convert to fraction form
    190,246.16/262,536.48 = 105,361.40/x
  3. Step 3: Cross multiply
    190,246.16x = 262,536.48 × 105,361.40
  4. Step 4: Simplify right side
    190,246.16x = 27,661,211,083.87
  5. Step 5: Solve for x
    x = 27,661,211,083.87/190,246.16
  6. Step 6: Final answer
    x = 145,396.95

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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.