Home / 130,542.68-195,827.70-55,670.73

Finding the Fourth Proportional to 130,542.68, 195,827.70 and 55,670.73

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Solution

The fourth proportional to 130,542.68, 195,827.70 and 55,670.73 is: 83,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,542.68 : 195,827.70 = 55,670.73 : x
  2. Step 2: Convert to fraction form
    130,542.68/195,827.70 = 55,670.73/x
  3. Step 3: Cross multiply
    130,542.68x = 195,827.70 × 55,670.73
  4. Step 4: Simplify right side
    130,542.68x = 10,901,871,013.22
  5. Step 5: Solve for x
    x = 10,901,871,013.22/130,542.68
  6. Step 6: Final answer
    x = 83,511.93

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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.