Home / 313,266.20-470,045.10-163,675.40

Finding the Fourth Proportional to 313,266.20, 470,045.10 and 163,675.40

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Solution

The fourth proportional to 313,266.20, 470,045.10 and 163,675.40 is: 245,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,266.20 : 470,045.10 = 163,675.40 : x
  2. Step 2: Convert to fraction form
    313,266.20/470,045.10 = 163,675.40/x
  3. Step 3: Cross multiply
    313,266.20x = 470,045.10 × 163,675.40
  4. Step 4: Simplify right side
    313,266.20x = 76,934,819,760.54
  5. Step 5: Solve for x
    x = 76,934,819,760.54/313,266.20
  6. Step 6: Final answer
    x = 245,589.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.