Home / 120,266.56-180,346.51-64,096.20

Finding the Fourth Proportional to 120,266.56, 180,346.51 and 64,096.20

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Solution

The fourth proportional to 120,266.56, 180,346.51 and 64,096.20 is: 96,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,266.56 : 180,346.51 = 64,096.20 : x
  2. Step 2: Convert to fraction form
    120,266.56/180,346.51 = 64,096.20/x
  3. Step 3: Cross multiply
    120,266.56x = 180,346.51 × 64,096.20
  4. Step 4: Simplify right side
    120,266.56x = 11,559,525,974.26
  5. Step 5: Solve for x
    x = 11,559,525,974.26/120,266.56
  6. Step 6: Final answer
    x = 96,115.88

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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.