Home / 236,837.40-355,256.10-199,512.60

Finding the Fourth Proportional to 236,837.40, 355,256.10 and 199,512.60

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Solution

The fourth proportional to 236,837.40, 355,256.10 and 199,512.60 is: 299,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,837.40 : 355,256.10 = 199,512.60 : x
  2. Step 2: Convert to fraction form
    236,837.40/355,256.10 = 199,512.60/x
  3. Step 3: Cross multiply
    236,837.40x = 355,256.10 × 199,512.60
  4. Step 4: Simplify right side
    236,837.40x = 70,878,068,176.86
  5. Step 5: Solve for x
    x = 70,878,068,176.86/236,837.40
  6. Step 6: Final answer
    x = 299,268.90

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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.