Home / 554,194.20-831,378.42-180,129.72

Finding the Fourth Proportional to 554,194.20, 831,378.42 and 180,129.72

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Solution

The fourth proportional to 554,194.20, 831,378.42 and 180,129.72 is: 270,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,194.20 : 831,378.42 = 180,129.72 : x
  2. Step 2: Convert to fraction form
    554,194.20/831,378.42 = 180,129.72/x
  3. Step 3: Cross multiply
    554,194.20x = 831,378.42 × 180,129.72
  4. Step 4: Simplify right side
    554,194.20x = 149,755,962,008.64
  5. Step 5: Solve for x
    x = 149,755,962,008.64/554,194.20
  6. Step 6: Final answer
    x = 270,222.90

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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.