Home / 312,556.24-431,329.64-169,316.24

Finding the Fourth Proportional to 312,556.24, 431,329.64 and 169,316.24

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Solution

The fourth proportional to 312,556.24, 431,329.64 and 169,316.24 is: 233,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,556.24 : 431,329.64 = 169,316.24 : x
  2. Step 2: Convert to fraction form
    312,556.24/431,329.64 = 169,316.24/x
  3. Step 3: Cross multiply
    312,556.24x = 431,329.64 × 169,316.24
  4. Step 4: Simplify right side
    312,556.24x = 73,031,112,845.35
  5. Step 5: Solve for x
    x = 73,031,112,845.35/312,556.24
  6. Step 6: Final answer
    x = 233,657.51

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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.