Home / 199,540.02-275,466.81-154,116.03

Finding the Fourth Proportional to 199,540.02, 275,466.81 and 154,116.03

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Solution

The fourth proportional to 199,540.02, 275,466.81 and 154,116.03 is: 212,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,540.02 : 275,466.81 = 154,116.03 : x
  2. Step 2: Convert to fraction form
    199,540.02/275,466.81 = 154,116.03/x
  3. Step 3: Cross multiply
    199,540.02x = 275,466.81 × 154,116.03
  4. Step 4: Simplify right side
    199,540.02x = 42,453,851,153.96
  5. Step 5: Solve for x
    x = 42,453,851,153.96/199,540.02
  6. Step 6: Final answer
    x = 212,758.58

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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.