Home / 236,087.04-325,791.84-128,654.88

Finding the Fourth Proportional to 236,087.04, 325,791.84 and 128,654.88

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Solution

The fourth proportional to 236,087.04, 325,791.84 and 128,654.88 is: 177,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,087.04 : 325,791.84 = 128,654.88 : x
  2. Step 2: Convert to fraction form
    236,087.04/325,791.84 = 128,654.88/x
  3. Step 3: Cross multiply
    236,087.04x = 325,791.84 × 128,654.88
  4. Step 4: Simplify right side
    236,087.04x = 41,914,710,080.18
  5. Step 5: Solve for x
    x = 41,914,710,080.18/236,087.04
  6. Step 6: Final answer
    x = 177,539.22

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1.5x scale

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.