Home / 245,526.20-368,289.30-127,233.80

Finding the Fourth Proportional to 245,526.20, 368,289.30 and 127,233.80

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Solution

The fourth proportional to 245,526.20, 368,289.30 and 127,233.80 is: 190,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,526.20 : 368,289.30 = 127,233.80 : x
  2. Step 2: Convert to fraction form
    245,526.20/368,289.30 = 127,233.80/x
  3. Step 3: Cross multiply
    245,526.20x = 368,289.30 × 127,233.80
  4. Step 4: Simplify right side
    245,526.20x = 46,858,847,138.34
  5. Step 5: Solve for x
    x = 46,858,847,138.34/245,526.20
  6. Step 6: Final answer
    x = 190,850.70

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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.