Home / 304,857.90-457,546.05-136,637.10

Finding the Fourth Proportional to 304,857.90, 457,546.05 and 136,637.10

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Solution

The fourth proportional to 304,857.90, 457,546.05 and 136,637.10 is: 205,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,857.90 : 457,546.05 = 136,637.10 : x
  2. Step 2: Convert to fraction form
    304,857.90/457,546.05 = 136,637.10/x
  3. Step 3: Cross multiply
    304,857.90x = 457,546.05 × 136,637.10
  4. Step 4: Simplify right side
    304,857.90x = 62,517,765,388.46
  5. Step 5: Solve for x
    x = 62,517,765,388.46/304,857.90
  6. Step 6: Final answer
    x = 205,071.82

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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.