Home / 126,633.38-190,015.67-64,303.88

Finding the Fourth Proportional to 126,633.38, 190,015.67 and 64,303.88

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Solution

The fourth proportional to 126,633.38, 190,015.67 and 64,303.88 is: 96,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,633.38 : 190,015.67 = 64,303.88 : x
  2. Step 2: Convert to fraction form
    126,633.38/190,015.67 = 64,303.88/x
  3. Step 3: Cross multiply
    126,633.38x = 190,015.67 × 64,303.88
  4. Step 4: Simplify right side
    126,633.38x = 12,218,744,052.48
  5. Step 5: Solve for x
    x = 12,218,744,052.48/126,633.38
  6. Step 6: Final answer
    x = 96,489.13

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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.