Home / 147,281.44-220,948.08-53,917.60

Finding the Fourth Proportional to 147,281.44, 220,948.08 and 53,917.60

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Solution

The fourth proportional to 147,281.44, 220,948.08 and 53,917.60 is: 80,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,281.44 : 220,948.08 = 53,917.60 : x
  2. Step 2: Convert to fraction form
    147,281.44/220,948.08 = 53,917.60/x
  3. Step 3: Cross multiply
    147,281.44x = 220,948.08 × 53,917.60
  4. Step 4: Simplify right side
    147,281.44x = 11,912,990,198.21
  5. Step 5: Solve for x
    x = 11,912,990,198.21/147,281.44
  6. Step 6: Final answer
    x = 80,885.89

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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.