Home / 140,028.52-209,972.70-46,501.48

Finding the Fourth Proportional to 140,028.52, 209,972.70 and 46,501.48

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Solution

The fourth proportional to 140,028.52, 209,972.70 and 46,501.48 is: 69,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,028.52 : 209,972.70 = 46,501.48 : x
  2. Step 2: Convert to fraction form
    140,028.52/209,972.70 = 46,501.48/x
  3. Step 3: Cross multiply
    140,028.52x = 209,972.70 × 46,501.48
  4. Step 4: Simplify right side
    140,028.52x = 9,764,041,309.60
  5. Step 5: Solve for x
    x = 9,764,041,309.60/140,028.52
  6. Step 6: Final answer
    x = 69,728.95

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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.