Home / 269,080.36-371,332.79-154,364.01

Finding the Fourth Proportional to 269,080.36, 371,332.79 and 154,364.01

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Solution

The fourth proportional to 269,080.36, 371,332.79 and 154,364.01 is: 213,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,080.36 : 371,332.79 = 154,364.01 : x
  2. Step 2: Convert to fraction form
    269,080.36/371,332.79 = 154,364.01/x
  3. Step 3: Cross multiply
    269,080.36x = 371,332.79 × 154,364.01
  4. Step 4: Simplify right side
    269,080.36x = 57,320,416,923.43
  5. Step 5: Solve for x
    x = 57,320,416,923.43/269,080.36
  6. Step 6: Final answer
    x = 213,023.42

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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.