Home / 180,919.33-249,505.28-112,942.61

Finding the Fourth Proportional to 180,919.33, 249,505.28 and 112,942.61

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Solution

The fourth proportional to 180,919.33, 249,505.28 and 112,942.61 is: 155,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,919.33 : 249,505.28 = 112,942.61 : x
  2. Step 2: Convert to fraction form
    180,919.33/249,505.28 = 112,942.61/x
  3. Step 3: Cross multiply
    180,919.33x = 249,505.28 × 112,942.61
  4. Step 4: Simplify right side
    180,919.33x = 28,179,777,078.92
  5. Step 5: Solve for x
    x = 28,179,777,078.92/180,919.33
  6. Step 6: Final answer
    x = 155,758.80

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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.