Home / 236,987.20-326,825.58-185,311

Finding the Fourth Proportional to 236,987.20, 326,825.58 and 185,311

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Solution

The fourth proportional to 236,987.20, 326,825.58 and 185,311 is: 255,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,987.20 : 326,825.58 = 185,311 : x
  2. Step 2: Convert to fraction form
    236,987.20/326,825.58 = 185,311/x
  3. Step 3: Cross multiply
    236,987.20x = 326,825.58 × 185,311
  4. Step 4: Simplify right side
    236,987.20x = 60,564,375,055.38
  5. Step 5: Solve for x
    x = 60,564,375,055.38/236,987.20
  6. Step 6: Final answer
    x = 255,559.69

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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.