Home / 236,710.04-354,942.66-86,911.88

Finding the Fourth Proportional to 236,710.04, 354,942.66 and 86,911.88

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Solution

The fourth proportional to 236,710.04, 354,942.66 and 86,911.88 is: 130,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,710.04 : 354,942.66 = 86,911.88 : x
  2. Step 2: Convert to fraction form
    236,710.04/354,942.66 = 86,911.88/x
  3. Step 3: Cross multiply
    236,710.04x = 354,942.66 × 86,911.88
  4. Step 4: Simplify right side
    236,710.04x = 30,848,733,872.80
  5. Step 5: Solve for x
    x = 30,848,733,872.80/236,710.04
  6. Step 6: Final answer
    x = 130,322.88

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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.