Home / 366,905.55-550,358.33-130,272.15

Finding the Fourth Proportional to 366,905.55, 550,358.33 and 130,272.15

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Solution

The fourth proportional to 366,905.55, 550,358.33 and 130,272.15 is: 195,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,905.55 : 550,358.33 = 130,272.15 : x
  2. Step 2: Convert to fraction form
    366,905.55/550,358.33 = 130,272.15/x
  3. Step 3: Cross multiply
    366,905.55x = 550,358.33 × 130,272.15
  4. Step 4: Simplify right side
    366,905.55x = 71,696,362,268.15
  5. Step 5: Solve for x
    x = 71,696,362,268.15/366,905.55
  6. Step 6: Final answer
    x = 195,408.23

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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.