Home / 201,815.72-302,723.40-95,174.80

Finding the Fourth Proportional to 201,815.72, 302,723.40 and 95,174.80

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Solution

The fourth proportional to 201,815.72, 302,723.40 and 95,174.80 is: 142,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,815.72 : 302,723.40 = 95,174.80 : x
  2. Step 2: Convert to fraction form
    201,815.72/302,723.40 = 95,174.80/x
  3. Step 3: Cross multiply
    201,815.72x = 302,723.40 × 95,174.80
  4. Step 4: Simplify right side
    201,815.72x = 28,811,639,050.32
  5. Step 5: Solve for x
    x = 28,811,639,050.32/201,815.72
  6. Step 6: Final answer
    x = 142,762.12

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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.