Home / 441,086.16-661,636.80-125,551.20

Finding the Fourth Proportional to 441,086.16, 661,636.80 and 125,551.20

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Solution

The fourth proportional to 441,086.16, 661,636.80 and 125,551.20 is: 188,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,086.16 : 661,636.80 = 125,551.20 : x
  2. Step 2: Convert to fraction form
    441,086.16/661,636.80 = 125,551.20/x
  3. Step 3: Cross multiply
    441,086.16x = 661,636.80 × 125,551.20
  4. Step 4: Simplify right side
    441,086.16x = 83,069,294,204.16
  5. Step 5: Solve for x
    x = 83,069,294,204.16/441,086.16
  6. Step 6: Final answer
    x = 188,328.95

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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.