Home / 157,131.72-235,596.17-67,233.11

Finding the Fourth Proportional to 157,131.72, 235,596.17 and 67,233.11

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Solution

The fourth proportional to 157,131.72, 235,596.17 and 67,233.11 is: 100,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,131.72 : 235,596.17 = 67,233.11 : x
  2. Step 2: Convert to fraction form
    157,131.72/235,596.17 = 67,233.11/x
  3. Step 3: Cross multiply
    157,131.72x = 235,596.17 × 67,233.11
  4. Step 4: Simplify right side
    157,131.72x = 15,839,861,699.04
  5. Step 5: Solve for x
    x = 15,839,861,699.04/157,131.72
  6. Step 6: Final answer
    x = 100,806.26

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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.