Home / 227,252.40-313,631.64-136,637.88

Finding the Fourth Proportional to 227,252.40, 313,631.64 and 136,637.88

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Solution

The fourth proportional to 227,252.40, 313,631.64 and 136,637.88 is: 188,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,252.40 : 313,631.64 = 136,637.88 : x
  2. Step 2: Convert to fraction form
    227,252.40/313,631.64 = 136,637.88/x
  3. Step 3: Cross multiply
    227,252.40x = 313,631.64 × 136,637.88
  4. Step 4: Simplify right side
    227,252.40x = 42,853,962,390.52
  5. Step 5: Solve for x
    x = 42,853,962,390.52/227,252.40
  6. Step 6: Final answer
    x = 188,574.30

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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.