Home / 189,820.52-261,929.56-104,926.04

Finding the Fourth Proportional to 189,820.52, 261,929.56 and 104,926.04

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Solution

The fourth proportional to 189,820.52, 261,929.56 and 104,926.04 is: 144,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,820.52 : 261,929.56 = 104,926.04 : x
  2. Step 2: Convert to fraction form
    189,820.52/261,929.56 = 104,926.04/x
  3. Step 3: Cross multiply
    189,820.52x = 261,929.56 × 104,926.04
  4. Step 4: Simplify right side
    189,820.52x = 27,483,231,489.74
  5. Step 5: Solve for x
    x = 27,483,231,489.74/189,820.52
  6. Step 6: Final answer
    x = 144,785.36

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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.