Home / 131,523.10-197,365.65-56,679.10

Finding the Fourth Proportional to 131,523.10, 197,365.65 and 56,679.10

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Solution

The fourth proportional to 131,523.10, 197,365.65 and 56,679.10 is: 85,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,523.10 : 197,365.65 = 56,679.10 : x
  2. Step 2: Convert to fraction form
    131,523.10/197,365.65 = 56,679.10/x
  3. Step 3: Cross multiply
    131,523.10x = 197,365.65 × 56,679.10
  4. Step 4: Simplify right side
    131,523.10x = 11,186,507,412.92
  5. Step 5: Solve for x
    x = 11,186,507,412.92/131,523.10
  6. Step 6: Final answer
    x = 85,053.56

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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.