Home / 194,907.45-268,972.26-105,483.45

Finding the Fourth Proportional to 194,907.45, 268,972.26 and 105,483.45

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Solution

The fourth proportional to 194,907.45, 268,972.26 and 105,483.45 is: 145,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,907.45 : 268,972.26 = 105,483.45 : x
  2. Step 2: Convert to fraction form
    194,907.45/268,972.26 = 105,483.45/x
  3. Step 3: Cross multiply
    194,907.45x = 268,972.26 × 105,483.45
  4. Step 4: Simplify right side
    194,907.45x = 28,372,121,939.10
  5. Step 5: Solve for x
    x = 28,372,121,939.10/194,907.45
  6. Step 6: Final answer
    x = 145,567.15

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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.