Home / 133,180-183,710.56-82,895.20

Finding the Fourth Proportional to 133,180, 183,710.56 and 82,895.20

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Solution

The fourth proportional to 133,180, 183,710.56 and 82,895.20 is: 114,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,180 : 183,710.56 = 82,895.20 : x
  2. Step 2: Convert to fraction form
    133,180/183,710.56 = 82,895.20/x
  3. Step 3: Cross multiply
    133,180x = 183,710.56 × 82,895.20
  4. Step 4: Simplify right side
    133,180x = 15,228,723,613.31
  5. Step 5: Solve for x
    x = 15,228,723,613.31/133,180
  6. Step 6: Final answer
    x = 114,346.93

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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.