Home / 189,833.26-261,975.36-104,955.78

Finding the Fourth Proportional to 189,833.26, 261,975.36 and 104,955.78

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Solution

The fourth proportional to 189,833.26, 261,975.36 and 104,955.78 is: 144,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,833.26 : 261,975.36 = 104,955.78 : x
  2. Step 2: Convert to fraction form
    189,833.26/261,975.36 = 104,955.78/x
  3. Step 3: Cross multiply
    189,833.26x = 261,975.36 × 104,955.78
  4. Step 4: Simplify right side
    189,833.26x = 27,495,828,249.58
  5. Step 5: Solve for x
    x = 27,495,828,249.58/189,833.26
  6. Step 6: Final answer
    x = 144,842.00

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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.