Home / 423,895.82-635,942.21-124,364.30

Finding the Fourth Proportional to 423,895.82, 635,942.21 and 124,364.30

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Solution

The fourth proportional to 423,895.82, 635,942.21 and 124,364.30 is: 186,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,895.82 : 635,942.21 = 124,364.30 : x
  2. Step 2: Convert to fraction form
    423,895.82/635,942.21 = 124,364.30/x
  3. Step 3: Cross multiply
    423,895.82x = 635,942.21 × 124,364.30
  4. Step 4: Simplify right side
    423,895.82x = 79,088,507,787.10
  5. Step 5: Solve for x
    x = 79,088,507,787.10/423,895.82
  6. Step 6: Final answer
    x = 186,575.34

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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.