Home / 235,197.20-324,566.64-127,764.80

Finding the Fourth Proportional to 235,197.20, 324,566.64 and 127,764.80

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Solution

The fourth proportional to 235,197.20, 324,566.64 and 127,764.80 is: 176,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,197.20 : 324,566.64 = 127,764.80 : x
  2. Step 2: Convert to fraction form
    235,197.20/324,566.64 = 127,764.80/x
  3. Step 3: Cross multiply
    235,197.20x = 324,566.64 × 127,764.80
  4. Step 4: Simplify right side
    235,197.20x = 41,468,191,846.27
  5. Step 5: Solve for x
    x = 41,468,191,846.27/235,197.20
  6. Step 6: Final answer
    x = 176,312.44

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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.