Home / 271,032.54-406,699.47-121,266.78

Finding the Fourth Proportional to 271,032.54, 406,699.47 and 121,266.78

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Solution

The fourth proportional to 271,032.54, 406,699.47 and 121,266.78 is: 181,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,032.54 : 406,699.47 = 121,266.78 : x
  2. Step 2: Convert to fraction form
    271,032.54/406,699.47 = 121,266.78/x
  3. Step 3: Cross multiply
    271,032.54x = 406,699.47 × 121,266.78
  4. Step 4: Simplify right side
    271,032.54x = 49,319,135,154.61
  5. Step 5: Solve for x
    x = 49,319,135,154.61/271,032.54
  6. Step 6: Final answer
    x = 181,967.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.