Home / 190,246.34-262,544.56-105,369.68

Finding the Fourth Proportional to 190,246.34, 262,544.56 and 105,369.68

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Solution

The fourth proportional to 190,246.34, 262,544.56 and 105,369.68 is: 145,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,246.34 : 262,544.56 = 105,369.68 : x
  2. Step 2: Convert to fraction form
    190,246.34/262,544.56 = 105,369.68/x
  3. Step 3: Cross multiply
    190,246.34x = 262,544.56 × 105,369.68
  4. Step 4: Simplify right side
    190,246.34x = 27,664,236,272.94
  5. Step 5: Solve for x
    x = 27,664,236,272.94/190,246.34
  6. Step 6: Final answer
    x = 145,412.71

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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.