Home / 103,617.85-155,426.78-95,744.65

Finding the Fourth Proportional to 103,617.85, 155,426.78 and 95,744.65

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Solution

The fourth proportional to 103,617.85, 155,426.78 and 95,744.65 is: 143,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,617.85 : 155,426.78 = 95,744.65 : x
  2. Step 2: Convert to fraction form
    103,617.85/155,426.78 = 95,744.65/x
  3. Step 3: Cross multiply
    103,617.85x = 155,426.78 × 95,744.65
  4. Step 4: Simplify right side
    103,617.85x = 14,881,282,651.73
  5. Step 5: Solve for x
    x = 14,881,282,651.73/103,617.85
  6. Step 6: Final answer
    x = 143,616.98

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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.