Home / 118,833.68-178,241.82-43,918.90

Finding the Fourth Proportional to 118,833.68, 178,241.82 and 43,918.90

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Solution

The fourth proportional to 118,833.68, 178,241.82 and 43,918.90 is: 65,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,833.68 : 178,241.82 = 43,918.90 : x
  2. Step 2: Convert to fraction form
    118,833.68/178,241.82 = 43,918.90/x
  3. Step 3: Cross multiply
    118,833.68x = 178,241.82 × 43,918.90
  4. Step 4: Simplify right side
    118,833.68x = 7,828,184,668.40
  5. Step 5: Solve for x
    x = 7,828,184,668.40/118,833.68
  6. Step 6: Final answer
    x = 65,875.13

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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.