Home / 199,923.26-275,886.47-109,278.45

Finding the Fourth Proportional to 199,923.26, 275,886.47 and 109,278.45

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Solution

The fourth proportional to 199,923.26, 275,886.47 and 109,278.45 is: 150,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,923.26 : 275,886.47 = 109,278.45 : x
  2. Step 2: Convert to fraction form
    199,923.26/275,886.47 = 109,278.45/x
  3. Step 3: Cross multiply
    199,923.26x = 275,886.47 × 109,278.45
  4. Step 4: Simplify right side
    199,923.26x = 30,148,446,090.77
  5. Step 5: Solve for x
    x = 30,148,446,090.77/199,923.26
  6. Step 6: Final answer
    x = 150,800.10

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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.