Home / 189,508.29-261,523.40-104,625.15

Finding the Fourth Proportional to 189,508.29, 261,523.40 and 104,625.15

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Solution

The fourth proportional to 189,508.29, 261,523.40 and 104,625.15 is: 144,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,508.29 : 261,523.40 = 104,625.15 : x
  2. Step 2: Convert to fraction form
    189,508.29/261,523.40 = 104,625.15/x
  3. Step 3: Cross multiply
    189,508.29x = 261,523.40 × 104,625.15
  4. Step 4: Simplify right side
    189,508.29x = 27,361,924,430.38
  5. Step 5: Solve for x
    x = 27,361,924,430.38/189,508.29
  6. Step 6: Final answer
    x = 144,383.79

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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.