Home / 157,697.22-236,458.32-52,458.78

Finding the Fourth Proportional to 157,697.22, 236,458.32 and 52,458.78

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Solution

The fourth proportional to 157,697.22, 236,458.32 and 52,458.78 is: 78,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,697.22 : 236,458.32 = 52,458.78 : x
  2. Step 2: Convert to fraction form
    157,697.22/236,458.32 = 52,458.78/x
  3. Step 3: Cross multiply
    157,697.22x = 236,458.32 × 52,458.78
  4. Step 4: Simplify right side
    157,697.22x = 12,404,314,988.05
  5. Step 5: Solve for x
    x = 12,404,314,988.05/157,697.22
  6. Step 6: Final answer
    x = 78,659.06

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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.