Home / 190,097.94-262,343.43-105,214.98

Finding the Fourth Proportional to 190,097.94, 262,343.43 and 105,214.98

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Solution

The fourth proportional to 190,097.94, 262,343.43 and 105,214.98 is: 145,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,097.94 : 262,343.43 = 105,214.98 : x
  2. Step 2: Convert to fraction form
    190,097.94/262,343.43 = 105,214.98/x
  3. Step 3: Cross multiply
    190,097.94x = 262,343.43 × 105,214.98
  4. Step 4: Simplify right side
    190,097.94x = 27,602,458,740.58
  5. Step 5: Solve for x
    x = 27,602,458,740.58/190,097.94
  6. Step 6: Final answer
    x = 145,201.25

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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.