Home / 127,814.30-176,375.70-70,450.46

Finding the Fourth Proportional to 127,814.30, 176,375.70 and 70,450.46

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Solution

The fourth proportional to 127,814.30, 176,375.70 and 70,450.46 is: 97,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814.30 : 176,375.70 = 70,450.46 : x
  2. Step 2: Convert to fraction form
    127,814.30/176,375.70 = 70,450.46/x
  3. Step 3: Cross multiply
    127,814.30x = 176,375.70 × 70,450.46
  4. Step 4: Simplify right side
    127,814.30x = 12,425,749,197.82
  5. Step 5: Solve for x
    x = 12,425,749,197.82/127,814.30
  6. Step 6: Final answer
    x = 97,217.21

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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.