Home / 126,676.32-190,013.04-51,836.64

Finding the Fourth Proportional to 126,676.32, 190,013.04 and 51,836.64

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Solution

The fourth proportional to 126,676.32, 190,013.04 and 51,836.64 is: 77,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,676.32 : 190,013.04 = 51,836.64 : x
  2. Step 2: Convert to fraction form
    126,676.32/190,013.04 = 51,836.64/x
  3. Step 3: Cross multiply
    126,676.32x = 190,013.04 × 51,836.64
  4. Step 4: Simplify right side
    126,676.32x = 9,849,637,549.79
  5. Step 5: Solve for x
    x = 9,849,637,549.79/126,676.32
  6. Step 6: Final answer
    x = 77,754.37

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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.