Home / 194,437.20-268,323.36-105,013.20

Finding the Fourth Proportional to 194,437.20, 268,323.36 and 105,013.20

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Solution

The fourth proportional to 194,437.20, 268,323.36 and 105,013.20 is: 144,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,437.20 : 268,323.36 = 105,013.20 : x
  2. Step 2: Convert to fraction form
    194,437.20/268,323.36 = 105,013.20/x
  3. Step 3: Cross multiply
    194,437.20x = 268,323.36 × 105,013.20
  4. Step 4: Simplify right side
    194,437.20x = 28,177,494,668.35
  5. Step 5: Solve for x
    x = 28,177,494,668.35/194,437.20
  6. Step 6: Final answer
    x = 144,918.23

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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.