Home / 192,368.09-288,556.24-66,007.33

Finding the Fourth Proportional to 192,368.09, 288,556.24 and 66,007.33

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Solution

The fourth proportional to 192,368.09, 288,556.24 and 66,007.33 is: 99,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,368.09 : 288,556.24 = 66,007.33 : x
  2. Step 2: Convert to fraction form
    192,368.09/288,556.24 = 66,007.33/x
  3. Step 3: Cross multiply
    192,368.09x = 288,556.24 × 66,007.33
  4. Step 4: Simplify right side
    192,368.09x = 19,046,826,957.24
  5. Step 5: Solve for x
    x = 19,046,826,957.24/192,368.09
  6. Step 6: Final answer
    x = 99,012.40

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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.