Home / 554,195.20-831,379.92-180,130.72

Finding the Fourth Proportional to 554,195.20, 831,379.92 and 180,130.72

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Solution

The fourth proportional to 554,195.20, 831,379.92 and 180,130.72 is: 270,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,195.20 : 831,379.92 = 180,130.72 : x
  2. Step 2: Convert to fraction form
    554,195.20/831,379.92 = 180,130.72/x
  3. Step 3: Cross multiply
    554,195.20x = 831,379.92 × 180,130.72
  4. Step 4: Simplify right side
    554,195.20x = 149,757,063,583.14
  5. Step 5: Solve for x
    x = 149,757,063,583.14/554,195.20
  6. Step 6: Final answer
    x = 270,224.40

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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.