Home / 126,810.10-190,298.21-47,924.33

Finding the Fourth Proportional to 126,810.10, 190,298.21 and 47,924.33

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Solution

The fourth proportional to 126,810.10, 190,298.21 and 47,924.33 is: 71,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.10 : 190,298.21 = 47,924.33 : x
  2. Step 2: Convert to fraction form
    126,810.10/190,298.21 = 47,924.33/x
  3. Step 3: Cross multiply
    126,810.10x = 190,298.21 × 47,924.33
  4. Step 4: Simplify right side
    126,810.10x = 9,119,914,450.57
  5. Step 5: Solve for x
    x = 9,119,914,450.57/126,810.10
  6. Step 6: Final answer
    x = 71,917.89

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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.