Home / 139,195.28-192,090.01-75,533.07

Finding the Fourth Proportional to 139,195.28, 192,090.01 and 75,533.07

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Solution

The fourth proportional to 139,195.28, 192,090.01 and 75,533.07 is: 104,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,195.28 : 192,090.01 = 75,533.07 : x
  2. Step 2: Convert to fraction form
    139,195.28/192,090.01 = 75,533.07/x
  3. Step 3: Cross multiply
    139,195.28x = 192,090.01 × 75,533.07
  4. Step 4: Simplify right side
    139,195.28x = 14,509,148,171.63
  5. Step 5: Solve for x
    x = 14,509,148,171.63/139,195.28
  6. Step 6: Final answer
    x = 104,235.92

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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.