Home / 121,204.45-181,806.73-58,009.70

Finding the Fourth Proportional to 121,204.45, 181,806.73 and 58,009.70

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Solution

The fourth proportional to 121,204.45, 181,806.73 and 58,009.70 is: 87,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,204.45 : 181,806.73 = 58,009.70 : x
  2. Step 2: Convert to fraction form
    121,204.45/181,806.73 = 58,009.70/x
  3. Step 3: Cross multiply
    121,204.45x = 181,806.73 × 58,009.70
  4. Step 4: Simplify right side
    121,204.45x = 10,546,554,174.77
  5. Step 5: Solve for x
    x = 10,546,554,174.77/121,204.45
  6. Step 6: Final answer
    x = 87,014.58

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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.