Home / 199,564.89-275,399.42-114,681.75

Finding the Fourth Proportional to 199,564.89, 275,399.42 and 114,681.75

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Solution

The fourth proportional to 199,564.89, 275,399.42 and 114,681.75 is: 158,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,564.89 : 275,399.42 = 114,681.75 : x
  2. Step 2: Convert to fraction form
    199,564.89/275,399.42 = 114,681.75/x
  3. Step 3: Cross multiply
    199,564.89x = 275,399.42 × 114,681.75
  4. Step 4: Simplify right side
    199,564.89x = 31,583,287,434.59
  5. Step 5: Solve for x
    x = 31,583,287,434.59/199,564.89
  6. Step 6: Final answer
    x = 158,260.74

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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.