Home / 269,070.90-403,460.55-111,315.30

Finding the Fourth Proportional to 269,070.90, 403,460.55 and 111,315.30

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Solution

The fourth proportional to 269,070.90, 403,460.55 and 111,315.30 is: 166,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,070.90 : 403,460.55 = 111,315.30 : x
  2. Step 2: Convert to fraction form
    269,070.90/403,460.55 = 111,315.30/x
  3. Step 3: Cross multiply
    269,070.90x = 403,460.55 × 111,315.30
  4. Step 4: Simplify right side
    269,070.90x = 44,911,332,161.42
  5. Step 5: Solve for x
    x = 44,911,332,161.42/269,070.90
  6. Step 6: Final answer
    x = 166,912.63

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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.