Home / 202,355.40-303,533.10-127,231.95

Finding the Fourth Proportional to 202,355.40, 303,533.10 and 127,231.95

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Solution

The fourth proportional to 202,355.40, 303,533.10 and 127,231.95 is: 190,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,355.40 : 303,533.10 = 127,231.95 : x
  2. Step 2: Convert to fraction form
    202,355.40/303,533.10 = 127,231.95/x
  3. Step 3: Cross multiply
    202,355.40x = 303,533.10 × 127,231.95
  4. Step 4: Simplify right side
    202,355.40x = 38,619,108,202.55
  5. Step 5: Solve for x
    x = 38,619,108,202.55/202,355.40
  6. Step 6: Final answer
    x = 190,847.93

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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.