Home / 131,554.10-197,239.62-56,651.78

Finding the Fourth Proportional to 131,554.10, 197,239.62 and 56,651.78

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Solution

The fourth proportional to 131,554.10, 197,239.62 and 56,651.78 is: 84,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,554.10 : 197,239.62 = 56,651.78 : x
  2. Step 2: Convert to fraction form
    131,554.10/197,239.62 = 56,651.78/x
  3. Step 3: Cross multiply
    131,554.10x = 197,239.62 × 56,651.78
  4. Step 4: Simplify right side
    131,554.10x = 11,173,975,559.52
  5. Step 5: Solve for x
    x = 11,173,975,559.52/131,554.10
  6. Step 6: Final answer
    x = 84,938.25

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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.