Home / 190,274.81-262,597.01-105,391.94

Finding the Fourth Proportional to 190,274.81, 262,597.01 and 105,391.94

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Solution

The fourth proportional to 190,274.81, 262,597.01 and 105,391.94 is: 145,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,274.81 : 262,597.01 = 105,391.94 : x
  2. Step 2: Convert to fraction form
    190,274.81/262,597.01 = 105,391.94/x
  3. Step 3: Cross multiply
    190,274.81x = 262,597.01 × 105,391.94
  4. Step 4: Simplify right side
    190,274.81x = 27,675,606,482.15
  5. Step 5: Solve for x
    x = 27,675,606,482.15/190,274.81
  6. Step 6: Final answer
    x = 145,450.72

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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.