Home / 127,706.25-176,234.58-74,022.39

Finding the Fourth Proportional to 127,706.25, 176,234.58 and 74,022.39

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Solution

The fourth proportional to 127,706.25, 176,234.58 and 74,022.39 is: 102,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,706.25 : 176,234.58 = 74,022.39 : x
  2. Step 2: Convert to fraction form
    127,706.25/176,234.58 = 74,022.39/x
  3. Step 3: Cross multiply
    127,706.25x = 176,234.58 × 74,022.39
  4. Step 4: Simplify right side
    127,706.25x = 13,045,304,812.25
  5. Step 5: Solve for x
    x = 13,045,304,812.25/127,706.25
  6. Step 6: Final answer
    x = 102,150.87

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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.