Home / 127,207.44-190,838.88-38,458.67

Finding the Fourth Proportional to 127,207.44, 190,838.88 and 38,458.67

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Solution

The fourth proportional to 127,207.44, 190,838.88 and 38,458.67 is: 57,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207.44 : 190,838.88 = 38,458.67 : x
  2. Step 2: Convert to fraction form
    127,207.44/190,838.88 = 38,458.67/x
  3. Step 3: Cross multiply
    127,207.44x = 190,838.88 × 38,458.67
  4. Step 4: Simplify right side
    127,207.44x = 7,339,408,554.90
  5. Step 5: Solve for x
    x = 7,339,408,554.90/127,207.44
  6. Step 6: Final answer
    x = 57,696.38

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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.