Home / 165,782.12-248,674.88-132,712.40

Finding the Fourth Proportional to 165,782.12, 248,674.88 and 132,712.40

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Solution

The fourth proportional to 165,782.12, 248,674.88 and 132,712.40 is: 199,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,782.12 : 248,674.88 = 132,712.40 : x
  2. Step 2: Convert to fraction form
    165,782.12/248,674.88 = 132,712.40/x
  3. Step 3: Cross multiply
    165,782.12x = 248,674.88 × 132,712.40
  4. Step 4: Simplify right side
    165,782.12x = 33,002,240,144.51
  5. Step 5: Solve for x
    x = 33,002,240,144.51/165,782.12
  6. Step 6: Final answer
    x = 199,069.96

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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.