Home / 136,767.90-205,131.33-43,261.50

Finding the Fourth Proportional to 136,767.90, 205,131.33 and 43,261.50

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Solution

The fourth proportional to 136,767.90, 205,131.33 and 43,261.50 is: 64,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,767.90 : 205,131.33 = 43,261.50 : x
  2. Step 2: Convert to fraction form
    136,767.90/205,131.33 = 43,261.50/x
  3. Step 3: Cross multiply
    136,767.90x = 205,131.33 × 43,261.50
  4. Step 4: Simplify right side
    136,767.90x = 8,874,289,032.80
  5. Step 5: Solve for x
    x = 8,874,289,032.80/136,767.90
  6. Step 6: Final answer
    x = 64,885.76

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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.