Home / 107,141.26-160,738.65-75,612.86

Finding the Fourth Proportional to 107,141.26, 160,738.65 and 75,612.86

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Solution

The fourth proportional to 107,141.26, 160,738.65 and 75,612.86 is: 113,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,141.26 : 160,738.65 = 75,612.86 : x
  2. Step 2: Convert to fraction form
    107,141.26/160,738.65 = 75,612.86/x
  3. Step 3: Cross multiply
    107,141.26x = 160,738.65 × 75,612.86
  4. Step 4: Simplify right side
    107,141.26x = 12,153,907,857.28
  5. Step 5: Solve for x
    x = 12,153,907,857.28/107,141.26
  6. Step 6: Final answer
    x = 113,438.17

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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.