Home / 199,394.90-275,115.76-117,725.06

Finding the Fourth Proportional to 199,394.90, 275,115.76 and 117,725.06

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Solution

The fourth proportional to 199,394.90, 275,115.76 and 117,725.06 is: 162,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,394.90 : 275,115.76 = 117,725.06 : x
  2. Step 2: Convert to fraction form
    199,394.90/275,115.76 = 117,725.06/x
  3. Step 3: Cross multiply
    199,394.90x = 275,115.76 × 117,725.06
  4. Step 4: Simplify right side
    199,394.90x = 32,388,019,352.95
  5. Step 5: Solve for x
    x = 32,388,019,352.95/199,394.90
  6. Step 6: Final answer
    x = 162,431.53

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1.5x scale

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.