Home / 136,637.91-204,907.65-57,758.28

Finding the Fourth Proportional to 136,637.91, 204,907.65 and 57,758.28

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Solution

The fourth proportional to 136,637.91, 204,907.65 and 57,758.28 is: 86,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,637.91 : 204,907.65 = 57,758.28 : x
  2. Step 2: Convert to fraction form
    136,637.91/204,907.65 = 57,758.28/x
  3. Step 3: Cross multiply
    136,637.91x = 204,907.65 × 57,758.28
  4. Step 4: Simplify right side
    136,637.91x = 11,835,113,422.84
  5. Step 5: Solve for x
    x = 11,835,113,422.84/136,637.91
  6. Step 6: Final answer
    x = 86,616.62

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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.