Home / 131,001.21-196,337.43-56,033.28

Finding the Fourth Proportional to 131,001.21, 196,337.43 and 56,033.28

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Solution

The fourth proportional to 131,001.21, 196,337.43 and 56,033.28 is: 83,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,001.21 : 196,337.43 = 56,033.28 : x
  2. Step 2: Convert to fraction form
    131,001.21/196,337.43 = 56,033.28/x
  3. Step 3: Cross multiply
    131,001.21x = 196,337.43 × 56,033.28
  4. Step 4: Simplify right side
    131,001.21x = 11,001,430,189.67
  5. Step 5: Solve for x
    x = 11,001,430,189.67/131,001.21
  6. Step 6: Final answer
    x = 83,979.61

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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.