Home / 118,948.07-178,422.24-40,055.69

Finding the Fourth Proportional to 118,948.07, 178,422.24 and 40,055.69

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Solution

The fourth proportional to 118,948.07, 178,422.24 and 40,055.69 is: 60,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,948.07 : 178,422.24 = 40,055.69 : x
  2. Step 2: Convert to fraction form
    118,948.07/178,422.24 = 40,055.69/x
  3. Step 3: Cross multiply
    118,948.07x = 178,422.24 × 40,055.69
  4. Step 4: Simplify right side
    118,948.07x = 7,146,825,934.55
  5. Step 5: Solve for x
    x = 7,146,825,934.55/118,948.07
  6. Step 6: Final answer
    x = 60,083.58

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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.