Home / 120,459.17-180,714.63-36,212.33

Finding the Fourth Proportional to 120,459.17, 180,714.63 and 36,212.33

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Solution

The fourth proportional to 120,459.17, 180,714.63 and 36,212.33 is: 54,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,459.17 : 180,714.63 = 36,212.33 : x
  2. Step 2: Convert to fraction form
    120,459.17/180,714.63 = 36,212.33/x
  3. Step 3: Cross multiply
    120,459.17x = 180,714.63 × 36,212.33
  4. Step 4: Simplify right side
    120,459.17x = 6,544,097,817.39
  5. Step 5: Solve for x
    x = 6,544,097,817.39/120,459.17
  6. Step 6: Final answer
    x = 54,326.27

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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.