Home / 135,348.30-203,007.87-35,518.50

Finding the Fourth Proportional to 135,348.30, 203,007.87 and 35,518.50

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Solution

The fourth proportional to 135,348.30, 203,007.87 and 35,518.50 is: 53,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,348.30 : 203,007.87 = 35,518.50 : x
  2. Step 2: Convert to fraction form
    135,348.30/203,007.87 = 35,518.50/x
  3. Step 3: Cross multiply
    135,348.30x = 203,007.87 × 35,518.50
  4. Step 4: Simplify right side
    135,348.30x = 7,210,535,030.60
  5. Step 5: Solve for x
    x = 7,210,535,030.60/135,348.30
  6. Step 6: Final answer
    x = 53,273.92

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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.