Home / 129,602.43-194,436.41-36,108.18

Finding the Fourth Proportional to 129,602.43, 194,436.41 and 36,108.18

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Solution

The fourth proportional to 129,602.43, 194,436.41 and 36,108.18 is: 54,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,602.43 : 194,436.41 = 36,108.18 : x
  2. Step 2: Convert to fraction form
    129,602.43/194,436.41 = 36,108.18/x
  3. Step 3: Cross multiply
    129,602.43x = 194,436.41 × 36,108.18
  4. Step 4: Simplify right side
    129,602.43x = 7,020,744,710.29
  5. Step 5: Solve for x
    x = 7,020,744,710.29/129,602.43
  6. Step 6: Final answer
    x = 54,171.40

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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.