Home / 201,605.32-302,451.78-61,360.30

Finding the Fourth Proportional to 201,605.32, 302,451.78 and 61,360.30

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Solution

The fourth proportional to 201,605.32, 302,451.78 and 61,360.30 is: 92,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,605.32 : 302,451.78 = 61,360.30 : x
  2. Step 2: Convert to fraction form
    201,605.32/302,451.78 = 61,360.30/x
  3. Step 3: Cross multiply
    201,605.32x = 302,451.78 × 61,360.30
  4. Step 4: Simplify right side
    201,605.32x = 18,558,531,956.33
  5. Step 5: Solve for x
    x = 18,558,531,956.33/201,605.32
  6. Step 6: Final answer
    x = 92,053.78

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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.