Home / 151,213.10-226,810.53-66,948.62

Finding the Fourth Proportional to 151,213.10, 226,810.53 and 66,948.62

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Solution

The fourth proportional to 151,213.10, 226,810.53 and 66,948.62 is: 100,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,213.10 : 226,810.53 = 66,948.62 : x
  2. Step 2: Convert to fraction form
    151,213.10/226,810.53 = 66,948.62/x
  3. Step 3: Cross multiply
    151,213.10x = 226,810.53 × 66,948.62
  4. Step 4: Simplify right side
    151,213.10x = 15,184,651,984.97
  5. Step 5: Solve for x
    x = 15,184,651,984.97/151,213.10
  6. Step 6: Final answer
    x = 100,418.89

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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.