Home / 131,008.06-196,347.66-56,040.09

Finding the Fourth Proportional to 131,008.06, 196,347.66 and 56,040.09

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Solution

The fourth proportional to 131,008.06, 196,347.66 and 56,040.09 is: 83,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,008.06 : 196,347.66 = 56,040.09 : x
  2. Step 2: Convert to fraction form
    131,008.06/196,347.66 = 56,040.09/x
  3. Step 3: Cross multiply
    131,008.06x = 196,347.66 × 56,040.09
  4. Step 4: Simplify right side
    131,008.06x = 11,003,340,537.69
  5. Step 5: Solve for x
    x = 11,003,340,537.69/131,008.06
  6. Step 6: Final answer
    x = 83,989.80

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1.5x scale

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.