Home / 257,129.22-354,508.59-199,671.06

Finding the Fourth Proportional to 257,129.22, 354,508.59 and 199,671.06

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Solution

The fourth proportional to 257,129.22, 354,508.59 and 199,671.06 is: 275,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,129.22 : 354,508.59 = 199,671.06 : x
  2. Step 2: Convert to fraction form
    257,129.22/354,508.59 = 199,671.06/x
  3. Step 3: Cross multiply
    257,129.22x = 354,508.59 × 199,671.06
  4. Step 4: Simplify right side
    257,129.22x = 70,785,105,944.41
  5. Step 5: Solve for x
    x = 70,785,105,944.41/257,129.22
  6. Step 6: Final answer
    x = 275,290.01

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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.