Home / 130,566.11-195,936.64-83,851.79

Finding the Fourth Proportional to 130,566.11, 195,936.64 and 83,851.79

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Solution

The fourth proportional to 130,566.11, 195,936.64 and 83,851.79 is: 125,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,566.11 : 195,936.64 = 83,851.79 : x
  2. Step 2: Convert to fraction form
    130,566.11/195,936.64 = 83,851.79/x
  3. Step 3: Cross multiply
    130,566.11x = 195,936.64 × 83,851.79
  4. Step 4: Simplify right side
    130,566.11x = 16,429,636,801.27
  5. Step 5: Solve for x
    x = 16,429,636,801.27/130,566.11
  6. Step 6: Final answer
    x = 125,833.86

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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.