Home / 193,270.37-266,634.36-129,628.67

Finding the Fourth Proportional to 193,270.37, 266,634.36 and 129,628.67

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Solution

The fourth proportional to 193,270.37, 266,634.36 and 129,628.67 is: 178,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,270.37 : 266,634.36 = 129,628.67 : x
  2. Step 2: Convert to fraction form
    193,270.37/266,634.36 = 129,628.67/x
  3. Step 3: Cross multiply
    193,270.37x = 266,634.36 × 129,628.67
  4. Step 4: Simplify right side
    193,270.37x = 34,563,456,129.93
  5. Step 5: Solve for x
    x = 34,563,456,129.93/193,270.37
  6. Step 6: Final answer
    x = 178,834.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.