Home / 263,556.88-363,685.07-156,109.57

Finding the Fourth Proportional to 263,556.88, 363,685.07 and 156,109.57

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Solution

The fourth proportional to 263,556.88, 363,685.07 and 156,109.57 is: 215,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,556.88 : 363,685.07 = 156,109.57 : x
  2. Step 2: Convert to fraction form
    263,556.88/363,685.07 = 156,109.57/x
  3. Step 3: Cross multiply
    263,556.88x = 363,685.07 × 156,109.57
  4. Step 4: Simplify right side
    263,556.88x = 56,774,719,112.57
  5. Step 5: Solve for x
    x = 56,774,719,112.57/263,556.88
  6. Step 6: Final answer
    x = 215,417.33

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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.