Home / 369,243.18-509,556.06-199,477.32

Finding the Fourth Proportional to 369,243.18, 509,556.06 and 199,477.32

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Solution

The fourth proportional to 369,243.18, 509,556.06 and 199,477.32 is: 275,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,243.18 : 509,556.06 = 199,477.32 : x
  2. Step 2: Convert to fraction form
    369,243.18/509,556.06 = 199,477.32/x
  3. Step 3: Cross multiply
    369,243.18x = 509,556.06 × 199,477.32
  4. Step 4: Simplify right side
    369,243.18x = 101,644,877,238.56
  5. Step 5: Solve for x
    x = 101,644,877,238.56/369,243.18
  6. Step 6: Final answer
    x = 275,278.96

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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.