Home / 117,934.86-177,025.41-103,985.58

Finding the Fourth Proportional to 117,934.86, 177,025.41 and 103,985.58

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Solution

The fourth proportional to 117,934.86, 177,025.41 and 103,985.58 is: 156,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,934.86 : 177,025.41 = 103,985.58 : x
  2. Step 2: Convert to fraction form
    117,934.86/177,025.41 = 103,985.58/x
  3. Step 3: Cross multiply
    117,934.86x = 177,025.41 × 103,985.58
  4. Step 4: Simplify right side
    117,934.86x = 18,408,089,933.59
  5. Step 5: Solve for x
    x = 18,408,089,933.59/117,934.86
  6. Step 6: Final answer
    x = 156,086.93

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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.