Home / 189,540.83-261,559.50-104,656.07

Finding the Fourth Proportional to 189,540.83, 261,559.50 and 104,656.07

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Solution

The fourth proportional to 189,540.83, 261,559.50 and 104,656.07 is: 144,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,540.83 : 261,559.50 = 104,656.07 : x
  2. Step 2: Convert to fraction form
    189,540.83/261,559.50 = 104,656.07/x
  3. Step 3: Cross multiply
    189,540.83x = 261,559.50 × 104,656.07
  4. Step 4: Simplify right side
    189,540.83x = 27,373,789,602.60
  5. Step 5: Solve for x
    x = 27,373,789,602.60/189,540.83
  6. Step 6: Final answer
    x = 144,421.60

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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.