Home / 189,741.56-261,827.64-104,858.42

Finding the Fourth Proportional to 189,741.56, 261,827.64 and 104,858.42

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Solution

The fourth proportional to 189,741.56, 261,827.64 and 104,858.42 is: 144,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,741.56 : 261,827.64 = 104,858.42 : x
  2. Step 2: Convert to fraction form
    189,741.56/261,827.64 = 104,858.42/x
  3. Step 3: Cross multiply
    189,741.56x = 261,827.64 × 104,858.42
  4. Step 4: Simplify right side
    189,741.56x = 27,454,832,642.73
  5. Step 5: Solve for x
    x = 27,454,832,642.73/189,741.56
  6. Step 6: Final answer
    x = 144,695.94

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1.5x scale

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.