Home / 451,091.16-676,374.36-170,630.28

Finding the Fourth Proportional to 451,091.16, 676,374.36 and 170,630.28

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Solution

The fourth proportional to 451,091.16, 676,374.36 and 170,630.28 is: 255,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,091.16 : 676,374.36 = 170,630.28 : x
  2. Step 2: Convert to fraction form
    451,091.16/676,374.36 = 170,630.28/x
  3. Step 3: Cross multiply
    451,091.16x = 676,374.36 × 170,630.28
  4. Step 4: Simplify right side
    451,091.16x = 115,409,946,431.62
  5. Step 5: Solve for x
    x = 115,409,946,431.62/451,091.16
  6. Step 6: Final answer
    x = 255,846.17

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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.