Home / 313,870.74-433,136.52-170,634.36

Finding the Fourth Proportional to 313,870.74, 433,136.52 and 170,634.36

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Solution

The fourth proportional to 313,870.74, 433,136.52 and 170,634.36 is: 235,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,870.74 : 433,136.52 = 170,634.36 : x
  2. Step 2: Convert to fraction form
    313,870.74/433,136.52 = 170,634.36/x
  3. Step 3: Cross multiply
    313,870.74x = 433,136.52 × 170,634.36
  4. Step 4: Simplify right side
    313,870.74x = 73,907,972,882.83
  5. Step 5: Solve for x
    x = 73,907,972,882.83/313,870.74
  6. Step 6: Final answer
    x = 235,472.64

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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.