Home / 120,264.56-180,343.51-64,094.20

Finding the Fourth Proportional to 120,264.56, 180,343.51 and 64,094.20

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Solution

The fourth proportional to 120,264.56, 180,343.51 and 64,094.20 is: 96,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,264.56 : 180,343.51 = 64,094.20 : x
  2. Step 2: Convert to fraction form
    120,264.56/180,343.51 = 64,094.20/x
  3. Step 3: Cross multiply
    120,264.56x = 180,343.51 × 64,094.20
  4. Step 4: Simplify right side
    120,264.56x = 11,558,972,387.55
  5. Step 5: Solve for x
    x = 11,558,972,387.55/120,264.56
  6. Step 6: Final answer
    x = 96,112.87

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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.