Home / 127,648.63-191,458.36-34,161.67

Finding the Fourth Proportional to 127,648.63, 191,458.36 and 34,161.67

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Solution

The fourth proportional to 127,648.63, 191,458.36 and 34,161.67 is: 51,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,648.63 : 191,458.36 = 34,161.67 : x
  2. Step 2: Convert to fraction form
    127,648.63/191,458.36 = 34,161.67/x
  3. Step 3: Cross multiply
    127,648.63x = 191,458.36 × 34,161.67
  4. Step 4: Simplify right side
    127,648.63x = 6,540,537,313.06
  5. Step 5: Solve for x
    x = 6,540,537,313.06/127,648.63
  6. Step 6: Final answer
    x = 51,238.60

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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.