Home / 117,907.72-176,795.43-103,899.58

Finding the Fourth Proportional to 117,907.72, 176,795.43 and 103,899.58

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Solution

The fourth proportional to 117,907.72, 176,795.43 and 103,899.58 is: 155,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,907.72 : 176,795.43 = 103,899.58 : x
  2. Step 2: Convert to fraction form
    117,907.72/176,795.43 = 103,899.58/x
  3. Step 3: Cross multiply
    117,907.72x = 176,795.43 × 103,899.58
  4. Step 4: Simplify right side
    117,907.72x = 18,368,970,922.92
  5. Step 5: Solve for x
    x = 18,368,970,922.92/117,907.72
  6. Step 6: Final answer
    x = 155,791.08

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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.