Home / 146,486.64-202,153.12-86,059.80

Finding the Fourth Proportional to 146,486.64, 202,153.12 and 86,059.80

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Solution

The fourth proportional to 146,486.64, 202,153.12 and 86,059.80 is: 118,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,486.64 : 202,153.12 = 86,059.80 : x
  2. Step 2: Convert to fraction form
    146,486.64/202,153.12 = 86,059.80/x
  3. Step 3: Cross multiply
    146,486.64x = 202,153.12 × 86,059.80
  4. Step 4: Simplify right side
    146,486.64x = 17,397,257,076.58
  5. Step 5: Solve for x
    x = 17,397,257,076.58/146,486.64
  6. Step 6: Final answer
    x = 118,763.44

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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.