Home / 157,401.67-236,135.31-52,213.06

Finding the Fourth Proportional to 157,401.67, 236,135.31 and 52,213.06

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Solution

The fourth proportional to 157,401.67, 236,135.31 and 52,213.06 is: 78,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,401.67 : 236,135.31 = 52,213.06 : x
  2. Step 2: Convert to fraction form
    157,401.67/236,135.31 = 52,213.06/x
  3. Step 3: Cross multiply
    157,401.67x = 236,135.31 × 52,213.06
  4. Step 4: Simplify right side
    157,401.67x = 12,329,347,109.15
  5. Step 5: Solve for x
    x = 12,329,347,109.15/157,401.67
  6. Step 6: Final answer
    x = 78,330.47

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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.