Home / 174,921.40-262,511.70-69,815.80

Finding the Fourth Proportional to 174,921.40, 262,511.70 and 69,815.80

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Solution

The fourth proportional to 174,921.40, 262,511.70 and 69,815.80 is: 104,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,921.40 : 262,511.70 = 69,815.80 : x
  2. Step 2: Convert to fraction form
    174,921.40/262,511.70 = 69,815.80/x
  3. Step 3: Cross multiply
    174,921.40x = 262,511.70 × 69,815.80
  4. Step 4: Simplify right side
    174,921.40x = 18,327,464,344.86
  5. Step 5: Solve for x
    x = 18,327,464,344.86/174,921.40
  6. Step 6: Final answer
    x = 104,775.43

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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.