Home / 127,884.97-176,482.43-76,899.25

Finding the Fourth Proportional to 127,884.97, 176,482.43 and 76,899.25

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Solution

The fourth proportional to 127,884.97, 176,482.43 and 76,899.25 is: 106,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,884.97 : 176,482.43 = 76,899.25 : x
  2. Step 2: Convert to fraction form
    127,884.97/176,482.43 = 76,899.25/x
  3. Step 3: Cross multiply
    127,884.97x = 176,482.43 × 76,899.25
  4. Step 4: Simplify right side
    127,884.97x = 13,571,366,505.18
  5. Step 5: Solve for x
    x = 13,571,366,505.18/127,884.97
  6. Step 6: Final answer
    x = 106,121.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.