Home / 447,471.04-671,046.72-147,896.32

Finding the Fourth Proportional to 447,471.04, 671,046.72 and 147,896.32

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Solution

The fourth proportional to 447,471.04, 671,046.72 and 147,896.32 is: 221,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,471.04 : 671,046.72 = 147,896.32 : x
  2. Step 2: Convert to fraction form
    447,471.04/671,046.72 = 147,896.32/x
  3. Step 3: Cross multiply
    447,471.04x = 671,046.72 × 147,896.32
  4. Step 4: Simplify right side
    447,471.04x = 99,245,340,436.07
  5. Step 5: Solve for x
    x = 99,245,340,436.07/447,471.04
  6. Step 6: Final answer
    x = 221,791.65

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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.