Home / 127,250.28-190,800-48,369.72

Finding the Fourth Proportional to 127,250.28, 190,800 and 48,369.72

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Solution

The fourth proportional to 127,250.28, 190,800 and 48,369.72 is: 72,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,250.28 : 190,800 = 48,369.72 : x
  2. Step 2: Convert to fraction form
    127,250.28/190,800 = 48,369.72/x
  3. Step 3: Cross multiply
    127,250.28x = 190,800 × 48,369.72
  4. Step 4: Simplify right side
    127,250.28x = 9,228,942,576
  5. Step 5: Solve for x
    x = 9,228,942,576/127,250.28
  6. Step 6: Final answer
    x = 72,525.91

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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.