Home / 201,926.80-302,890.20-61,667.20

Finding the Fourth Proportional to 201,926.80, 302,890.20 and 61,667.20

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Solution

The fourth proportional to 201,926.80, 302,890.20 and 61,667.20 is: 92,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,926.80 : 302,890.20 = 61,667.20 : x
  2. Step 2: Convert to fraction form
    201,926.80/302,890.20 = 61,667.20/x
  3. Step 3: Cross multiply
    201,926.80x = 302,890.20 × 61,667.20
  4. Step 4: Simplify right side
    201,926.80x = 18,678,390,541.44
  5. Step 5: Solve for x
    x = 18,678,390,541.44/201,926.80
  6. Step 6: Final answer
    x = 92,500.80

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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.