Home / 251,161.20-346,515.31-160,570.20

Finding the Fourth Proportional to 251,161.20, 346,515.31 and 160,570.20

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Solution

The fourth proportional to 251,161.20, 346,515.31 and 160,570.20 is: 221,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,161.20 : 346,515.31 = 160,570.20 : x
  2. Step 2: Convert to fraction form
    251,161.20/346,515.31 = 160,570.20/x
  3. Step 3: Cross multiply
    251,161.20x = 346,515.31 × 160,570.20
  4. Step 4: Simplify right side
    251,161.20x = 55,640,030,495.76
  5. Step 5: Solve for x
    x = 55,640,030,495.76/251,161.20
  6. Step 6: Final answer
    x = 221,531.15

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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.