Home / 127,928.70-176,542.29-70,570.04

Finding the Fourth Proportional to 127,928.70, 176,542.29 and 70,570.04

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Solution

The fourth proportional to 127,928.70, 176,542.29 and 70,570.04 is: 97,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,928.70 : 176,542.29 = 70,570.04 : x
  2. Step 2: Convert to fraction form
    127,928.70/176,542.29 = 70,570.04/x
  3. Step 3: Cross multiply
    127,928.70x = 176,542.29 × 70,570.04
  4. Step 4: Simplify right side
    127,928.70x = 12,458,595,584.28
  5. Step 5: Solve for x
    x = 12,458,595,584.28/127,928.70
  6. Step 6: Final answer
    x = 97,387.03

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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.