Home / 189,500.68-261,509.24-104,615.92

Finding the Fourth Proportional to 189,500.68, 261,509.24 and 104,615.92

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Solution

The fourth proportional to 189,500.68, 261,509.24 and 104,615.92 is: 144,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,500.68 : 261,509.24 = 104,615.92 : x
  2. Step 2: Convert to fraction form
    189,500.68/261,509.24 = 104,615.92/x
  3. Step 3: Cross multiply
    189,500.68x = 261,509.24 × 104,615.92
  4. Step 4: Simplify right side
    189,500.68x = 27,358,029,731.10
  5. Step 5: Solve for x
    x = 27,358,029,731.10/189,500.68
  6. Step 6: Final answer
    x = 144,369.03

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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.