Home / 248,814.20-373,221.30-149,281.40

Finding the Fourth Proportional to 248,814.20, 373,221.30 and 149,281.40

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Solution

The fourth proportional to 248,814.20, 373,221.30 and 149,281.40 is: 223,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,814.20 : 373,221.30 = 149,281.40 : x
  2. Step 2: Convert to fraction form
    248,814.20/373,221.30 = 149,281.40/x
  3. Step 3: Cross multiply
    248,814.20x = 373,221.30 × 149,281.40
  4. Step 4: Simplify right side
    248,814.20x = 55,714,998,173.82
  5. Step 5: Solve for x
    x = 55,714,998,173.82/248,814.20
  6. Step 6: Final answer
    x = 223,922.10

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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.