Home / 190,567.27-262,982.12-117,955.70

Finding the Fourth Proportional to 190,567.27, 262,982.12 and 117,955.70

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Solution

The fourth proportional to 190,567.27, 262,982.12 and 117,955.70 is: 162,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,567.27 : 262,982.12 = 117,955.70 : x
  2. Step 2: Convert to fraction form
    190,567.27/262,982.12 = 117,955.70/x
  3. Step 3: Cross multiply
    190,567.27x = 262,982.12 × 117,955.70
  4. Step 4: Simplify right side
    190,567.27x = 31,020,241,042.16
  5. Step 5: Solve for x
    x = 31,020,241,042.16/190,567.27
  6. Step 6: Final answer
    x = 162,778.43

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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.