Home / 451,153.95-676,731.43-135,610.85

Finding the Fourth Proportional to 451,153.95, 676,731.43 and 135,610.85

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Solution

The fourth proportional to 451,153.95, 676,731.43 and 135,610.85 is: 203,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,153.95 : 676,731.43 = 135,610.85 : x
  2. Step 2: Convert to fraction form
    451,153.95/676,731.43 = 135,610.85/x
  3. Step 3: Cross multiply
    451,153.95x = 676,731.43 × 135,610.85
  4. Step 4: Simplify right side
    451,153.95x = 91,772,124,444.02
  5. Step 5: Solve for x
    x = 91,772,124,444.02/451,153.95
  6. Step 6: Final answer
    x = 203,416.43

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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.