Home / 102,178.50-141,014.97-57,475.14

Finding the Fourth Proportional to 102,178.50, 141,014.97 and 57,475.14

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Solution

The fourth proportional to 102,178.50, 141,014.97 and 57,475.14 is: 79,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,178.50 : 141,014.97 = 57,475.14 : x
  2. Step 2: Convert to fraction form
    102,178.50/141,014.97 = 57,475.14/x
  3. Step 3: Cross multiply
    102,178.50x = 141,014.97 × 57,475.14
  4. Step 4: Simplify right side
    102,178.50x = 8,104,855,142.85
  5. Step 5: Solve for x
    x = 8,104,855,142.85/102,178.50
  6. Step 6: Final answer
    x = 79,320.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.