Home / 450,625.20-676,025.28-135,055.68

Finding the Fourth Proportional to 450,625.20, 676,025.28 and 135,055.68

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Solution

The fourth proportional to 450,625.20, 676,025.28 and 135,055.68 is: 202,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,625.20 : 676,025.28 = 135,055.68 : x
  2. Step 2: Convert to fraction form
    450,625.20/676,025.28 = 135,055.68/x
  3. Step 3: Cross multiply
    450,625.20x = 676,025.28 × 135,055.68
  4. Step 4: Simplify right side
    450,625.20x = 91,301,053,887.59
  5. Step 5: Solve for x
    x = 91,301,053,887.59/450,625.20
  6. Step 6: Final answer
    x = 202,609.74

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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.