Home / 248,771.50-373,155.18-71,278.66

Finding the Fourth Proportional to 248,771.50, 373,155.18 and 71,278.66

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Solution

The fourth proportional to 248,771.50, 373,155.18 and 71,278.66 is: 106,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,771.50 : 373,155.18 = 71,278.66 : x
  2. Step 2: Convert to fraction form
    248,771.50/373,155.18 = 71,278.66/x
  3. Step 3: Cross multiply
    248,771.50x = 373,155.18 × 71,278.66
  4. Step 4: Simplify right side
    248,771.50x = 26,598,001,202.46
  5. Step 5: Solve for x
    x = 26,598,001,202.46/248,771.50
  6. Step 6: Final answer
    x = 106,917.40

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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.