Home / 306,559.04-459,893.51-126,644.45

Finding the Fourth Proportional to 306,559.04, 459,893.51 and 126,644.45

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Solution

The fourth proportional to 306,559.04, 459,893.51 and 126,644.45 is: 189,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,559.04 : 459,893.51 = 126,644.45 : x
  2. Step 2: Convert to fraction form
    306,559.04/459,893.51 = 126,644.45/x
  3. Step 3: Cross multiply
    306,559.04x = 459,893.51 × 126,644.45
  4. Step 4: Simplify right side
    306,559.04x = 58,242,959,999.30
  5. Step 5: Solve for x
    x = 58,242,959,999.30/306,559.04
  6. Step 6: Final answer
    x = 189,989.37

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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.