Home / 190,276.81-262,599.77-105,393.94

Finding the Fourth Proportional to 190,276.81, 262,599.77 and 105,393.94

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Solution

The fourth proportional to 190,276.81, 262,599.77 and 105,393.94 is: 145,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,276.81 : 262,599.77 = 105,393.94 : x
  2. Step 2: Convert to fraction form
    190,276.81/262,599.77 = 105,393.94/x
  3. Step 3: Cross multiply
    190,276.81x = 262,599.77 × 105,393.94
  4. Step 4: Simplify right side
    190,276.81x = 27,676,424,403.39
  5. Step 5: Solve for x
    x = 27,676,424,403.39/190,276.81
  6. Step 6: Final answer
    x = 145,453.48

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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.