Home / 268,576.03-402,086.40-202,295.35

Finding the Fourth Proportional to 268,576.03, 402,086.40 and 202,295.35

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Solution

The fourth proportional to 268,576.03, 402,086.40 and 202,295.35 is: 302,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,576.03 : 402,086.40 = 202,295.35 : x
  2. Step 2: Convert to fraction form
    268,576.03/402,086.40 = 202,295.35/x
  3. Step 3: Cross multiply
    268,576.03x = 402,086.40 × 202,295.35
  4. Step 4: Simplify right side
    268,576.03x = 81,340,209,018.24
  5. Step 5: Solve for x
    x = 81,340,209,018.24/268,576.03
  6. Step 6: Final answer
    x = 302,857.29

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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.