Home / 127,084.59-190,628.26-38,338.87

Finding the Fourth Proportional to 127,084.59, 190,628.26 and 38,338.87

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Solution

The fourth proportional to 127,084.59, 190,628.26 and 38,338.87 is: 57,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,084.59 : 190,628.26 = 38,338.87 : x
  2. Step 2: Convert to fraction form
    127,084.59/190,628.26 = 38,338.87/x
  3. Step 3: Cross multiply
    127,084.59x = 190,628.26 × 38,338.87
  4. Step 4: Simplify right side
    127,084.59x = 7,308,470,933.63
  5. Step 5: Solve for x
    x = 7,308,470,933.63/127,084.59
  6. Step 6: Final answer
    x = 57,508.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.