Home / 451,173.28-676,497.60-170,712.16

Finding the Fourth Proportional to 451,173.28, 676,497.60 and 170,712.16

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Solution

The fourth proportional to 451,173.28, 676,497.60 and 170,712.16 is: 255,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,173.28 : 676,497.60 = 170,712.16 : x
  2. Step 2: Convert to fraction form
    451,173.28/676,497.60 = 170,712.16/x
  3. Step 3: Cross multiply
    451,173.28x = 676,497.60 × 170,712.16
  4. Step 4: Simplify right side
    451,173.28x = 115,486,366,530.82
  5. Step 5: Solve for x
    x = 115,486,366,530.82/451,173.28
  6. Step 6: Final answer
    x = 255,968.98

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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.