Home / 147,816.50-221,739.29-39,744.51

Finding the Fourth Proportional to 147,816.50, 221,739.29 and 39,744.51

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Solution

The fourth proportional to 147,816.50, 221,739.29 and 39,744.51 is: 59,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,816.50 : 221,739.29 = 39,744.51 : x
  2. Step 2: Convert to fraction form
    147,816.50/221,739.29 = 39,744.51/x
  3. Step 3: Cross multiply
    147,816.50x = 221,739.29 × 39,744.51
  4. Step 4: Simplify right side
    147,816.50x = 8,812,919,230.08
  5. Step 5: Solve for x
    x = 8,812,919,230.08/147,816.50
  6. Step 6: Final answer
    x = 59,620.68

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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.