Home / 130,379.85-195,569.76-83,927.97

Finding the Fourth Proportional to 130,379.85, 195,569.76 and 83,927.97

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Solution

The fourth proportional to 130,379.85, 195,569.76 and 83,927.97 is: 125,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,379.85 : 195,569.76 = 83,927.97 : x
  2. Step 2: Convert to fraction form
    130,379.85/195,569.76 = 83,927.97/x
  3. Step 3: Cross multiply
    130,379.85x = 195,569.76 × 83,927.97
  4. Step 4: Simplify right side
    130,379.85x = 16,413,772,950.19
  5. Step 5: Solve for x
    x = 16,413,772,950.19/130,379.85
  6. Step 6: Final answer
    x = 125,891.95

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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.