Home / 129,518.29-194,276.31-36,023.77

Finding the Fourth Proportional to 129,518.29, 194,276.31 and 36,023.77

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Solution

The fourth proportional to 129,518.29, 194,276.31 and 36,023.77 is: 54,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,518.29 : 194,276.31 = 36,023.77 : x
  2. Step 2: Convert to fraction form
    129,518.29/194,276.31 = 36,023.77/x
  3. Step 3: Cross multiply
    129,518.29x = 194,276.31 × 36,023.77
  4. Step 4: Simplify right side
    129,518.29x = 6,998,565,107.89
  5. Step 5: Solve for x
    x = 6,998,565,107.89/129,518.29
  6. Step 6: Final answer
    x = 54,035.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.