Home / 465,116.54-697,549.88-128,076.95

Finding the Fourth Proportional to 465,116.54, 697,549.88 and 128,076.95

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Solution

The fourth proportional to 465,116.54, 697,549.88 and 128,076.95 is: 192,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,116.54 : 697,549.88 = 128,076.95 : x
  2. Step 2: Convert to fraction form
    465,116.54/697,549.88 = 128,076.95/x
  3. Step 3: Cross multiply
    465,116.54x = 697,549.88 × 128,076.95
  4. Step 4: Simplify right side
    465,116.54x = 89,340,056,975.13
  5. Step 5: Solve for x
    x = 89,340,056,975.13/465,116.54
  6. Step 6: Final answer
    x = 192,081.02

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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.