Home / 175,442.80-263,178.78-70,204.36

Finding the Fourth Proportional to 175,442.80, 263,178.78 and 70,204.36

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Solution

The fourth proportional to 175,442.80, 263,178.78 and 70,204.36 is: 105,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,442.80 : 263,178.78 = 70,204.36 : x
  2. Step 2: Convert to fraction form
    175,442.80/263,178.78 = 70,204.36/x
  3. Step 3: Cross multiply
    175,442.80x = 263,178.78 × 70,204.36
  4. Step 4: Simplify right side
    175,442.80x = 18,476,297,815.48
  5. Step 5: Solve for x
    x = 18,476,297,815.48/175,442.80
  6. Step 6: Final answer
    x = 105,312.37

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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.