Home / 199,360.85-275,048.97-127,780.34

Finding the Fourth Proportional to 199,360.85, 275,048.97 and 127,780.34

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Solution

The fourth proportional to 199,360.85, 275,048.97 and 127,780.34 is: 176,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,360.85 : 275,048.97 = 127,780.34 : x
  2. Step 2: Convert to fraction form
    199,360.85/275,048.97 = 127,780.34/x
  3. Step 3: Cross multiply
    199,360.85x = 275,048.97 × 127,780.34
  4. Step 4: Simplify right side
    199,360.85x = 35,145,849,048.83
  5. Step 5: Solve for x
    x = 35,145,849,048.83/199,360.85
  6. Step 6: Final answer
    x = 176,292.64

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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.