Home / 189,814.24-261,920.64-104,919.52

Finding the Fourth Proportional to 189,814.24, 261,920.64 and 104,919.52

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Solution

The fourth proportional to 189,814.24, 261,920.64 and 104,919.52 is: 144,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,814.24 : 261,920.64 = 104,919.52 : x
  2. Step 2: Convert to fraction form
    189,814.24/261,920.64 = 104,919.52/x
  3. Step 3: Cross multiply
    189,814.24x = 261,920.64 × 104,919.52
  4. Step 4: Simplify right side
    189,814.24x = 27,480,587,826.89
  5. Step 5: Solve for x
    x = 27,480,587,826.89/189,814.24
  6. Step 6: Final answer
    x = 144,776.22

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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.