Home / 127,601.33-176,088.10-71,012.70

Finding the Fourth Proportional to 127,601.33, 176,088.10 and 71,012.70

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Solution

The fourth proportional to 127,601.33, 176,088.10 and 71,012.70 is: 97,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.33 : 176,088.10 = 71,012.70 : x
  2. Step 2: Convert to fraction form
    127,601.33/176,088.10 = 71,012.70/x
  3. Step 3: Cross multiply
    127,601.33x = 176,088.10 × 71,012.70
  4. Step 4: Simplify right side
    127,601.33x = 12,504,491,241.34
  5. Step 5: Solve for x
    x = 12,504,491,241.34/127,601.33
  6. Step 6: Final answer
    x = 97,996.56

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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.