Home / 120,897.23-181,382.09-48,813.03

Finding the Fourth Proportional to 120,897.23, 181,382.09 and 48,813.03

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Solution

The fourth proportional to 120,897.23, 181,382.09 and 48,813.03 is: 73,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,897.23 : 181,382.09 = 48,813.03 : x
  2. Step 2: Convert to fraction form
    120,897.23/181,382.09 = 48,813.03/x
  3. Step 3: Cross multiply
    120,897.23x = 181,382.09 × 48,813.03
  4. Step 4: Simplify right side
    120,897.23x = 8,853,809,156.57
  5. Step 5: Solve for x
    x = 8,853,809,156.57/120,897.23
  6. Step 6: Final answer
    x = 73,234.18

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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.