Home / 103,716.10-155,228.55-95,421.70

Finding the Fourth Proportional to 103,716.10, 155,228.55 and 95,421.70

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Solution

The fourth proportional to 103,716.10, 155,228.55 and 95,421.70 is: 142,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,716.10 : 155,228.55 = 95,421.70 : x
  2. Step 2: Convert to fraction form
    103,716.10/155,228.55 = 95,421.70/x
  3. Step 3: Cross multiply
    103,716.10x = 155,228.55 × 95,421.70
  4. Step 4: Simplify right side
    103,716.10x = 14,812,172,129.54
  5. Step 5: Solve for x
    x = 14,812,172,129.54/103,716.10
  6. Step 6: Final answer
    x = 142,814.59

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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.