Home / 199,556.16-275,387.48-148,612.60

Finding the Fourth Proportional to 199,556.16, 275,387.48 and 148,612.60

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Solution

The fourth proportional to 199,556.16, 275,387.48 and 148,612.60 is: 205,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,556.16 : 275,387.48 = 148,612.60 : x
  2. Step 2: Convert to fraction form
    199,556.16/275,387.48 = 148,612.60/x
  3. Step 3: Cross multiply
    199,556.16x = 275,387.48 × 148,612.60
  4. Step 4: Simplify right side
    199,556.16x = 40,926,049,410.25
  5. Step 5: Solve for x
    x = 40,926,049,410.25/199,556.16
  6. Step 6: Final answer
    x = 205,085.37

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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.