Home / 235,375.09-324,810.72-127,942.36

Finding the Fourth Proportional to 235,375.09, 324,810.72 and 127,942.36

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Solution

The fourth proportional to 235,375.09, 324,810.72 and 127,942.36 is: 176,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,375.09 : 324,810.72 = 127,942.36 : x
  2. Step 2: Convert to fraction form
    235,375.09/324,810.72 = 127,942.36/x
  3. Step 3: Cross multiply
    235,375.09x = 324,810.72 × 127,942.36
  4. Step 4: Simplify right side
    235,375.09x = 41,557,050,070.10
  5. Step 5: Solve for x
    x = 41,557,050,070.10/235,375.09
  6. Step 6: Final answer
    x = 176,556.70

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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.