Home / 97,216.86-146,350.49-87,440.72

Finding the Fourth Proportional to 97,216.86, 146,350.49 and 87,440.72

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Solution

The fourth proportional to 97,216.86, 146,350.49 and 87,440.72 is: 131,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,216.86 : 146,350.49 = 87,440.72 : x
  2. Step 2: Convert to fraction form
    97,216.86/146,350.49 = 87,440.72/x
  3. Step 3: Cross multiply
    97,216.86x = 146,350.49 × 87,440.72
  4. Step 4: Simplify right side
    97,216.86x = 12,796,991,049.00
  5. Step 5: Solve for x
    x = 12,796,991,049.00/97,216.86
  6. Step 6: Final answer
    x = 131,633.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.