Home / 129,519.86-194,290.71-36,025.61

Finding the Fourth Proportional to 129,519.86, 194,290.71 and 36,025.61

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Solution

The fourth proportional to 129,519.86, 194,290.71 and 36,025.61 is: 54,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,519.86 : 194,290.71 = 36,025.61 : x
  2. Step 2: Convert to fraction form
    129,519.86/194,290.71 = 36,025.61/x
  3. Step 3: Cross multiply
    129,519.86x = 194,290.71 × 36,025.61
  4. Step 4: Simplify right side
    129,519.86x = 6,999,440,373.63
  5. Step 5: Solve for x
    x = 6,999,440,373.63/129,519.86
  6. Step 6: Final answer
    x = 54,041.45

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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.