Home / 148,362.59-221,908.06-137,593.64

Finding the Fourth Proportional to 148,362.59, 221,908.06 and 137,593.64

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Solution

The fourth proportional to 148,362.59, 221,908.06 and 137,593.64 is: 205,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,362.59 : 221,908.06 = 137,593.64 : x
  2. Step 2: Convert to fraction form
    148,362.59/221,908.06 = 137,593.64/x
  3. Step 3: Cross multiply
    148,362.59x = 221,908.06 × 137,593.64
  4. Step 4: Simplify right side
    148,362.59x = 30,533,136,425.30
  5. Step 5: Solve for x
    x = 30,533,136,425.30/148,362.59
  6. Step 6: Final answer
    x = 205,800.78

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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.