Home / 120,467.48-180,599.36-75,996.45

Finding the Fourth Proportional to 120,467.48, 180,599.36 and 75,996.45

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Solution

The fourth proportional to 120,467.48, 180,599.36 and 75,996.45 is: 113,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,467.48 : 180,599.36 = 75,996.45 : x
  2. Step 2: Convert to fraction form
    120,467.48/180,599.36 = 75,996.45/x
  3. Step 3: Cross multiply
    120,467.48x = 180,599.36 × 75,996.45
  4. Step 4: Simplify right side
    120,467.48x = 13,724,909,852.29
  5. Step 5: Solve for x
    x = 13,724,909,852.29/120,467.48
  6. Step 6: Final answer
    x = 113,930.42

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1.5x scale

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.