Home / 201,542.83-302,366.18-144,682.65

Finding the Fourth Proportional to 201,542.83, 302,366.18 and 144,682.65

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Solution

The fourth proportional to 201,542.83, 302,366.18 and 144,682.65 is: 217,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,542.83 : 302,366.18 = 144,682.65 : x
  2. Step 2: Convert to fraction form
    201,542.83/302,366.18 = 144,682.65/x
  3. Step 3: Cross multiply
    201,542.83x = 302,366.18 × 144,682.65
  4. Step 4: Simplify right side
    201,542.83x = 43,747,140,011.92
  5. Step 5: Solve for x
    x = 43,747,140,011.92/201,542.83
  6. Step 6: Final answer
    x = 217,061.26

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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.