Home / 450,935.10-676,408.32-135,373.68

Finding the Fourth Proportional to 450,935.10, 676,408.32 and 135,373.68

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Solution

The fourth proportional to 450,935.10, 676,408.32 and 135,373.68 is: 203,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,935.10 : 676,408.32 = 135,373.68 : x
  2. Step 2: Convert to fraction form
    450,935.10/676,408.32 = 135,373.68/x
  3. Step 3: Cross multiply
    450,935.10x = 676,408.32 × 135,373.68
  4. Step 4: Simplify right side
    450,935.10x = 91,567,883,461.02
  5. Step 5: Solve for x
    x = 91,567,883,461.02/450,935.10
  6. Step 6: Final answer
    x = 203,062.22

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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.