Home / 275,282.81-379,488.16-194,567.93

Finding the Fourth Proportional to 275,282.81, 379,488.16 and 194,567.93

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Solution

The fourth proportional to 275,282.81, 379,488.16 and 194,567.93 is: 268,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,282.81 : 379,488.16 = 194,567.93 : x
  2. Step 2: Convert to fraction form
    275,282.81/379,488.16 = 194,567.93/x
  3. Step 3: Cross multiply
    275,282.81x = 379,488.16 × 194,567.93
  4. Step 4: Simplify right side
    275,282.81x = 73,836,223,891.46
  5. Step 5: Solve for x
    x = 73,836,223,891.46/275,282.81
  6. Step 6: Final answer
    x = 268,219.53

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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.