Home / 191,134.40-263,802.03-126,604.40

Finding the Fourth Proportional to 191,134.40, 263,802.03 and 126,604.40

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Solution

The fourth proportional to 191,134.40, 263,802.03 and 126,604.40 is: 174,738.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,134.40 : 263,802.03 = 126,604.40 : x
  2. Step 2: Convert to fraction form
    191,134.40/263,802.03 = 126,604.40/x
  3. Step 3: Cross multiply
    191,134.40x = 263,802.03 × 126,604.40
  4. Step 4: Simplify right side
    191,134.40x = 33,398,497,726.93
  5. Step 5: Solve for x
    x = 33,398,497,726.93/191,134.40
  6. Step 6: Final answer
    x = 174,738.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.