Home / 201,585.12-302,166.72-75,174.51

Finding the Fourth Proportional to 201,585.12, 302,166.72 and 75,174.51

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Solution

The fourth proportional to 201,585.12, 302,166.72 and 75,174.51 is: 112,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,585.12 : 302,166.72 = 75,174.51 : x
  2. Step 2: Convert to fraction form
    201,585.12/302,166.72 = 75,174.51/x
  3. Step 3: Cross multiply
    201,585.12x = 302,166.72 × 75,174.51
  4. Step 4: Simplify right side
    201,585.12x = 22,715,234,926.37
  5. Step 5: Solve for x
    x = 22,715,234,926.37/201,585.12
  6. Step 6: Final answer
    x = 112,683.09

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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.