Home / 175,415.69-263,121.22-42,294.87

Finding the Fourth Proportional to 175,415.69, 263,121.22 and 42,294.87

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Solution

The fourth proportional to 175,415.69, 263,121.22 and 42,294.87 is: 63,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,415.69 : 263,121.22 = 42,294.87 : x
  2. Step 2: Convert to fraction form
    175,415.69/263,121.22 = 42,294.87/x
  3. Step 3: Cross multiply
    175,415.69x = 263,121.22 × 42,294.87
  4. Step 4: Simplify right side
    175,415.69x = 11,128,677,794.14
  5. Step 5: Solve for x
    x = 11,128,677,794.14/175,415.69
  6. Step 6: Final answer
    x = 63,441.75

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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.