Home / 201,742.10-302,613.15-162,376.10

Finding the Fourth Proportional to 201,742.10, 302,613.15 and 162,376.10

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Solution

The fourth proportional to 201,742.10, 302,613.15 and 162,376.10 is: 243,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,742.10 : 302,613.15 = 162,376.10 : x
  2. Step 2: Convert to fraction form
    201,742.10/302,613.15 = 162,376.10/x
  3. Step 3: Cross multiply
    201,742.10x = 302,613.15 × 162,376.10
  4. Step 4: Simplify right side
    201,742.10x = 49,137,143,105.72
  5. Step 5: Solve for x
    x = 49,137,143,105.72/201,742.10
  6. Step 6: Final answer
    x = 243,564.15

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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.