Home / 117,421.25-176,131.26-28,675.22

Finding the Fourth Proportional to 117,421.25, 176,131.26 and 28,675.22

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Solution

The fourth proportional to 117,421.25, 176,131.26 and 28,675.22 is: 43,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,421.25 : 176,131.26 = 28,675.22 : x
  2. Step 2: Convert to fraction form
    117,421.25/176,131.26 = 28,675.22/x
  3. Step 3: Cross multiply
    117,421.25x = 176,131.26 × 28,675.22
  4. Step 4: Simplify right side
    117,421.25x = 5,050,601,748.72
  5. Step 5: Solve for x
    x = 5,050,601,748.72/117,421.25
  6. Step 6: Final answer
    x = 43,012.67

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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.