Home / 210,259.96-315,273.26-69,942.04

Finding the Fourth Proportional to 210,259.96, 315,273.26 and 69,942.04

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Solution

The fourth proportional to 210,259.96, 315,273.26 and 69,942.04 is: 104,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,259.96 : 315,273.26 = 69,942.04 : x
  2. Step 2: Convert to fraction form
    210,259.96/315,273.26 = 69,942.04/x
  3. Step 3: Cross multiply
    210,259.96x = 315,273.26 × 69,942.04
  4. Step 4: Simplify right side
    210,259.96x = 22,050,854,961.85
  5. Step 5: Solve for x
    x = 22,050,854,961.85/210,259.96
  6. Step 6: Final answer
    x = 104,874.25

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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.