Home / 149,590.48-206,420.52-82,518.16

Finding the Fourth Proportional to 149,590.48, 206,420.52 and 82,518.16

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Solution

The fourth proportional to 149,590.48, 206,420.52 and 82,518.16 is: 113,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,590.48 : 206,420.52 = 82,518.16 : x
  2. Step 2: Convert to fraction form
    149,590.48/206,420.52 = 82,518.16/x
  3. Step 3: Cross multiply
    149,590.48x = 206,420.52 × 82,518.16
  4. Step 4: Simplify right side
    149,590.48x = 17,033,441,496.64
  5. Step 5: Solve for x
    x = 17,033,441,496.64/149,590.48
  6. Step 6: Final answer
    x = 113,867.15

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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.