Home / 139,566.29-192,602.38-75,904.54

Finding the Fourth Proportional to 139,566.29, 192,602.38 and 75,904.54

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Solution

The fourth proportional to 139,566.29, 192,602.38 and 75,904.54 is: 104,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,566.29 : 192,602.38 = 75,904.54 : x
  2. Step 2: Convert to fraction form
    139,566.29/192,602.38 = 75,904.54/x
  3. Step 3: Cross multiply
    139,566.29x = 192,602.38 × 75,904.54
  4. Step 4: Simplify right side
    139,566.29x = 14,619,394,385.54
  5. Step 5: Solve for x
    x = 14,619,394,385.54/139,566.29
  6. Step 6: Final answer
    x = 104,748.75

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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.