Home / 254,923.20-382,435.88-142,762.96

Finding the Fourth Proportional to 254,923.20, 382,435.88 and 142,762.96

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Solution

The fourth proportional to 254,923.20, 382,435.88 and 142,762.96 is: 214,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,923.20 : 382,435.88 = 142,762.96 : x
  2. Step 2: Convert to fraction form
    254,923.20/382,435.88 = 142,762.96/x
  3. Step 3: Cross multiply
    254,923.20x = 382,435.88 × 142,762.96
  4. Step 4: Simplify right side
    254,923.20x = 54,597,678,239.00
  5. Step 5: Solve for x
    x = 54,597,678,239.00/254,923.20
  6. Step 6: Final answer
    x = 214,173.05

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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.