Home / 175,372.50-262,911.09-70,134.06

Finding the Fourth Proportional to 175,372.50, 262,911.09 and 70,134.06

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Solution

The fourth proportional to 175,372.50, 262,911.09 and 70,134.06 is: 105,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,372.50 : 262,911.09 = 70,134.06 : x
  2. Step 2: Convert to fraction form
    175,372.50/262,911.09 = 70,134.06/x
  3. Step 3: Cross multiply
    175,372.50x = 262,911.09 × 70,134.06
  4. Step 4: Simplify right side
    175,372.50x = 18,439,022,160.73
  5. Step 5: Solve for x
    x = 18,439,022,160.73/175,372.50
  6. Step 6: Final answer
    x = 105,142.04

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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.