Home / 117,441.07-176,161.12-42,543.68

Finding the Fourth Proportional to 117,441.07, 176,161.12 and 42,543.68

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Solution

The fourth proportional to 117,441.07, 176,161.12 and 42,543.68 is: 63,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,441.07 : 176,161.12 = 42,543.68 : x
  2. Step 2: Convert to fraction form
    117,441.07/176,161.12 = 42,543.68/x
  3. Step 3: Cross multiply
    117,441.07x = 176,161.12 × 42,543.68
  4. Step 4: Simplify right side
    117,441.07x = 7,494,542,317.72
  5. Step 5: Solve for x
    x = 7,494,542,317.72/117,441.07
  6. Step 6: Final answer
    x = 63,815.34

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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.