Home / 245,729.90-367,903.65-220,846.70

Finding the Fourth Proportional to 245,729.90, 367,903.65 and 220,846.70

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Solution

The fourth proportional to 245,729.90, 367,903.65 and 220,846.70 is: 330,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,729.90 : 367,903.65 = 220,846.70 : x
  2. Step 2: Convert to fraction form
    245,729.90/367,903.65 = 220,846.70/x
  3. Step 3: Cross multiply
    245,729.90x = 367,903.65 × 220,846.70
  4. Step 4: Simplify right side
    245,729.90x = 81,250,307,020.46
  5. Step 5: Solve for x
    x = 81,250,307,020.46/245,729.90
  6. Step 6: Final answer
    x = 330,648.84

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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.