Home / 465,042.94-697,568.20-128,102.18

Finding the Fourth Proportional to 465,042.94, 697,568.20 and 128,102.18

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Solution

The fourth proportional to 465,042.94, 697,568.20 and 128,102.18 is: 192,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,042.94 : 697,568.20 = 128,102.18 : x
  2. Step 2: Convert to fraction form
    465,042.94/697,568.20 = 128,102.18/x
  3. Step 3: Cross multiply
    465,042.94x = 697,568.20 × 128,102.18
  4. Step 4: Simplify right side
    465,042.94x = 89,360,003,310.58
  5. Step 5: Solve for x
    x = 89,360,003,310.58/465,042.94
  6. Step 6: Final answer
    x = 192,154.31

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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.