Home / 120,047.25-180,098.22-41,156.70

Finding the Fourth Proportional to 120,047.25, 180,098.22 and 41,156.70

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Solution

The fourth proportional to 120,047.25, 180,098.22 and 41,156.70 is: 61,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,047.25 : 180,098.22 = 41,156.70 : x
  2. Step 2: Convert to fraction form
    120,047.25/180,098.22 = 41,156.70/x
  3. Step 3: Cross multiply
    120,047.25x = 180,098.22 × 41,156.70
  4. Step 4: Simplify right side
    120,047.25x = 7,412,248,411.07
  5. Step 5: Solve for x
    x = 7,412,248,411.07/120,047.25
  6. Step 6: Final answer
    x = 61,744.42

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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.