Home / 199,927.52-275,907.40-109,289.64

Finding the Fourth Proportional to 199,927.52, 275,907.40 and 109,289.64

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Solution

The fourth proportional to 199,927.52, 275,907.40 and 109,289.64 is: 150,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,927.52 : 275,907.40 = 109,289.64 : x
  2. Step 2: Convert to fraction form
    199,927.52/275,907.40 = 109,289.64/x
  3. Step 3: Cross multiply
    199,927.52x = 275,907.40 × 109,289.64
  4. Step 4: Simplify right side
    199,927.52x = 30,153,820,419.34
  5. Step 5: Solve for x
    x = 30,153,820,419.34/199,927.52
  6. Step 6: Final answer
    x = 150,823.76

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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.