Home / 285,936.70-428,613.45-167,547.10

Finding the Fourth Proportional to 285,936.70, 428,613.45 and 167,547.10

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Solution

The fourth proportional to 285,936.70, 428,613.45 and 167,547.10 is: 251,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,936.70 : 428,613.45 = 167,547.10 : x
  2. Step 2: Convert to fraction form
    285,936.70/428,613.45 = 167,547.10/x
  3. Step 3: Cross multiply
    285,936.70x = 428,613.45 × 167,547.10
  4. Step 4: Simplify right side
    285,936.70x = 71,812,940,568.50
  5. Step 5: Solve for x
    x = 71,812,940,568.50/285,936.70
  6. Step 6: Final answer
    x = 251,149.78

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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.