Home / 157,540.20-236,342.70-52,434.60

Finding the Fourth Proportional to 157,540.20, 236,342.70 and 52,434.60

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Solution

The fourth proportional to 157,540.20, 236,342.70 and 52,434.60 is: 78,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,540.20 : 236,342.70 = 52,434.60 : x
  2. Step 2: Convert to fraction form
    157,540.20/236,342.70 = 52,434.60/x
  3. Step 3: Cross multiply
    157,540.20x = 236,342.70 × 52,434.60
  4. Step 4: Simplify right side
    157,540.20x = 12,392,534,937.42
  5. Step 5: Solve for x
    x = 12,392,534,937.42/157,540.20
  6. Step 6: Final answer
    x = 78,662.68

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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.