Home / 147,845.37-221,769.68-42,665.25

Finding the Fourth Proportional to 147,845.37, 221,769.68 and 42,665.25

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Solution

The fourth proportional to 147,845.37, 221,769.68 and 42,665.25 is: 63,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,845.37 : 221,769.68 = 42,665.25 : x
  2. Step 2: Convert to fraction form
    147,845.37/221,769.68 = 42,665.25/x
  3. Step 3: Cross multiply
    147,845.37x = 221,769.68 × 42,665.25
  4. Step 4: Simplify right side
    147,845.37x = 9,461,858,626.29
  5. Step 5: Solve for x
    x = 9,461,858,626.29/147,845.37
  6. Step 6: Final answer
    x = 63,998.34

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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.