Home / 118,708.04-178,104.18-39,822.14

Finding the Fourth Proportional to 118,708.04, 178,104.18 and 39,822.14

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Solution

The fourth proportional to 118,708.04, 178,104.18 and 39,822.14 is: 59,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,708.04 : 178,104.18 = 39,822.14 : x
  2. Step 2: Convert to fraction form
    118,708.04/178,104.18 = 39,822.14/x
  3. Step 3: Cross multiply
    118,708.04x = 178,104.18 × 39,822.14
  4. Step 4: Simplify right side
    118,708.04x = 7,092,489,590.55
  5. Step 5: Solve for x
    x = 7,092,489,590.55/118,708.04
  6. Step 6: Final answer
    x = 59,747.34

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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.