Home / 441,090.16-661,642.80-125,555.20

Finding the Fourth Proportional to 441,090.16, 661,642.80 and 125,555.20

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Solution

The fourth proportional to 441,090.16, 661,642.80 and 125,555.20 is: 188,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,090.16 : 661,642.80 = 125,555.20 : x
  2. Step 2: Convert to fraction form
    441,090.16/661,642.80 = 125,555.20/x
  3. Step 3: Cross multiply
    441,090.16x = 661,642.80 × 125,555.20
  4. Step 4: Simplify right side
    441,090.16x = 83,072,694,082.56
  5. Step 5: Solve for x
    x = 83,072,694,082.56/441,090.16
  6. Step 6: Final answer
    x = 188,334.95

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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.