Home / 147,093.96-220,643.37-71,148.36

Finding the Fourth Proportional to 147,093.96, 220,643.37 and 71,148.36

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Solution

The fourth proportional to 147,093.96, 220,643.37 and 71,148.36 is: 106,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,093.96 : 220,643.37 = 71,148.36 : x
  2. Step 2: Convert to fraction form
    147,093.96/220,643.37 = 71,148.36/x
  3. Step 3: Cross multiply
    147,093.96x = 220,643.37 × 71,148.36
  4. Step 4: Simplify right side
    147,093.96x = 15,698,413,920.37
  5. Step 5: Solve for x
    x = 15,698,413,920.37/147,093.96
  6. Step 6: Final answer
    x = 106,723.72

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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.