Home / 159,860.46-220,606.37-87,263.06

Finding the Fourth Proportional to 159,860.46, 220,606.37 and 87,263.06

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Solution

The fourth proportional to 159,860.46, 220,606.37 and 87,263.06 is: 120,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,860.46 : 220,606.37 = 87,263.06 : x
  2. Step 2: Convert to fraction form
    159,860.46/220,606.37 = 87,263.06/x
  3. Step 3: Cross multiply
    159,860.46x = 220,606.37 × 87,263.06
  4. Step 4: Simplify right side
    159,860.46x = 19,250,786,901.69
  5. Step 5: Solve for x
    x = 19,250,786,901.69/159,860.46
  6. Step 6: Final answer
    x = 120,422.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.