Home / 116,255.52-174,382.06-76,988.32

Finding the Fourth Proportional to 116,255.52, 174,382.06 and 76,988.32

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Solution

The fourth proportional to 116,255.52, 174,382.06 and 76,988.32 is: 115,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,255.52 : 174,382.06 = 76,988.32 : x
  2. Step 2: Convert to fraction form
    116,255.52/174,382.06 = 76,988.32/x
  3. Step 3: Cross multiply
    116,255.52x = 174,382.06 × 76,988.32
  4. Step 4: Simplify right side
    116,255.52x = 13,425,381,837.54
  5. Step 5: Solve for x
    x = 13,425,381,837.54/116,255.52
  6. Step 6: Final answer
    x = 115,481.67

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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.