Home / 118,950.48-164,139.76-68,665.68

Finding the Fourth Proportional to 118,950.48, 164,139.76 and 68,665.68

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Solution

The fourth proportional to 118,950.48, 164,139.76 and 68,665.68 is: 94,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,950.48 : 164,139.76 = 68,665.68 : x
  2. Step 2: Convert to fraction form
    118,950.48/164,139.76 = 68,665.68/x
  3. Step 3: Cross multiply
    118,950.48x = 164,139.76 × 68,665.68
  4. Step 4: Simplify right side
    118,950.48x = 11,270,768,235.44
  5. Step 5: Solve for x
    x = 11,270,768,235.44/118,950.48
  6. Step 6: Final answer
    x = 94,751.77

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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.