Home / 369,247.18-509,561.58-199,481.32

Finding the Fourth Proportional to 369,247.18, 509,561.58 and 199,481.32

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Solution

The fourth proportional to 369,247.18, 509,561.58 and 199,481.32 is: 275,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,247.18 : 509,561.58 = 199,481.32 : x
  2. Step 2: Convert to fraction form
    369,247.18/509,561.58 = 199,481.32/x
  3. Step 3: Cross multiply
    369,247.18x = 509,561.58 × 199,481.32
  4. Step 4: Simplify right side
    369,247.18x = 101,648,016,599.69
  5. Step 5: Solve for x
    x = 101,648,016,599.69/369,247.18
  6. Step 6: Final answer
    x = 275,284.48

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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.