Home / 130,986.01-196,314.57-56,017.96

Finding the Fourth Proportional to 130,986.01, 196,314.57 and 56,017.96

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Solution

The fourth proportional to 130,986.01, 196,314.57 and 56,017.96 is: 83,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,986.01 : 196,314.57 = 56,017.96 : x
  2. Step 2: Convert to fraction form
    130,986.01/196,314.57 = 56,017.96/x
  3. Step 3: Cross multiply
    130,986.01x = 196,314.57 × 56,017.96
  4. Step 4: Simplify right side
    130,986.01x = 10,997,141,729.68
  5. Step 5: Solve for x
    x = 10,997,141,729.68/130,986.01
  6. Step 6: Final answer
    x = 83,956.61

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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.