Home / 137,029.84-205,560.56-52,770.40

Finding the Fourth Proportional to 137,029.84, 205,560.56 and 52,770.40

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Solution

The fourth proportional to 137,029.84, 205,560.56 and 52,770.40 is: 79,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,029.84 : 205,560.56 = 52,770.40 : x
  2. Step 2: Convert to fraction form
    137,029.84/205,560.56 = 52,770.40/x
  3. Step 3: Cross multiply
    137,029.84x = 205,560.56 × 52,770.40
  4. Step 4: Simplify right side
    137,029.84x = 10,847,512,975.42
  5. Step 5: Solve for x
    x = 10,847,512,975.42/137,029.84
  6. Step 6: Final answer
    x = 79,161.68

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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.