Home / 127,601.20-176,087.92-71,012.58

Finding the Fourth Proportional to 127,601.20, 176,087.92 and 71,012.58

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Solution

The fourth proportional to 127,601.20, 176,087.92 and 71,012.58 is: 97,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.20 : 176,087.92 = 71,012.58 : x
  2. Step 2: Convert to fraction form
    127,601.20/176,087.92 = 71,012.58/x
  3. Step 3: Cross multiply
    127,601.20x = 176,087.92 × 71,012.58
  4. Step 4: Simplify right side
    127,601.20x = 12,504,457,506.03
  5. Step 5: Solve for x
    x = 12,504,457,506.03/127,601.20
  6. Step 6: Final answer
    x = 97,996.39

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1.5x scale

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.