Home / 157,125.76-235,704-73,997.44

Finding the Fourth Proportional to 157,125.76, 235,704 and 73,997.44

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Solution

The fourth proportional to 157,125.76, 235,704 and 73,997.44 is: 111,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,125.76 : 235,704 = 73,997.44 : x
  2. Step 2: Convert to fraction form
    157,125.76/235,704 = 73,997.44/x
  3. Step 3: Cross multiply
    157,125.76x = 235,704 × 73,997.44
  4. Step 4: Simplify right side
    157,125.76x = 17,441,492,597.76
  5. Step 5: Solve for x
    x = 17,441,492,597.76/157,125.76
  6. Step 6: Final answer
    x = 111,003.39

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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.