Home / 201,729.69-302,639.89-61,502.49

Finding the Fourth Proportional to 201,729.69, 302,639.89 and 61,502.49

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Solution

The fourth proportional to 201,729.69, 302,639.89 and 61,502.49 is: 92,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,729.69 : 302,639.89 = 61,502.49 : x
  2. Step 2: Convert to fraction form
    201,729.69/302,639.89 = 61,502.49/x
  3. Step 3: Cross multiply
    201,729.69x = 302,639.89 × 61,502.49
  4. Step 4: Simplify right side
    201,729.69x = 18,613,106,808.33
  5. Step 5: Solve for x
    x = 18,613,106,808.33/201,729.69
  6. Step 6: Final answer
    x = 92,267.56

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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.