Home / 120,546.36-180,817.14-37,440.12

Finding the Fourth Proportional to 120,546.36, 180,817.14 and 37,440.12

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Solution

The fourth proportional to 120,546.36, 180,817.14 and 37,440.12 is: 56,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,546.36 : 180,817.14 = 37,440.12 : x
  2. Step 2: Convert to fraction form
    120,546.36/180,817.14 = 37,440.12/x
  3. Step 3: Cross multiply
    120,546.36x = 180,817.14 × 37,440.12
  4. Step 4: Simplify right side
    120,546.36x = 6,769,815,419.66
  5. Step 5: Solve for x
    x = 6,769,815,419.66/120,546.36
  6. Step 6: Final answer
    x = 56,159.43

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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.