Home / 439,535.10-659,302.65-159,015.90

Finding the Fourth Proportional to 439,535.10, 659,302.65 and 159,015.90

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Solution

The fourth proportional to 439,535.10, 659,302.65 and 159,015.90 is: 238,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,535.10 : 659,302.65 = 159,015.90 : x
  2. Step 2: Convert to fraction form
    439,535.10/659,302.65 = 159,015.90/x
  3. Step 3: Cross multiply
    439,535.10x = 659,302.65 × 159,015.90
  4. Step 4: Simplify right side
    439,535.10x = 104,839,604,262.14
  5. Step 5: Solve for x
    x = 104,839,604,262.14/439,535.10
  6. Step 6: Final answer
    x = 238,523.85

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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.