Home / 476,100.80-714,155.24-121,115.12

Finding the Fourth Proportional to 476,100.80, 714,155.24 and 121,115.12

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Solution

The fourth proportional to 476,100.80, 714,155.24 and 121,115.12 is: 181,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,100.80 : 714,155.24 = 121,115.12 : x
  2. Step 2: Convert to fraction form
    476,100.80/714,155.24 = 121,115.12/x
  3. Step 3: Cross multiply
    476,100.80x = 714,155.24 × 121,115.12
  4. Step 4: Simplify right side
    476,100.80x = 86,494,997,591.23
  5. Step 5: Solve for x
    x = 86,494,997,591.23/476,100.80
  6. Step 6: Final answer
    x = 181,673.71

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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.