Home / 268,719.98-403,080.27-69,042.02

Finding the Fourth Proportional to 268,719.98, 403,080.27 and 69,042.02

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Solution

The fourth proportional to 268,719.98, 403,080.27 and 69,042.02 is: 103,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,719.98 : 403,080.27 = 69,042.02 : x
  2. Step 2: Convert to fraction form
    268,719.98/403,080.27 = 69,042.02/x
  3. Step 3: Cross multiply
    268,719.98x = 403,080.27 × 69,042.02
  4. Step 4: Simplify right side
    268,719.98x = 27,829,474,047.54
  5. Step 5: Solve for x
    x = 27,829,474,047.54/268,719.98
  6. Step 6: Final answer
    x = 103,563.10

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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.