Home / 147,219.03-220,832.18-53,724.75

Finding the Fourth Proportional to 147,219.03, 220,832.18 and 53,724.75

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Solution

The fourth proportional to 147,219.03, 220,832.18 and 53,724.75 is: 80,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,219.03 : 220,832.18 = 53,724.75 : x
  2. Step 2: Convert to fraction form
    147,219.03/220,832.18 = 53,724.75/x
  3. Step 3: Cross multiply
    147,219.03x = 220,832.18 × 53,724.75
  4. Step 4: Simplify right side
    147,219.03x = 11,864,153,662.46
  5. Step 5: Solve for x
    x = 11,864,153,662.46/147,219.03
  6. Step 6: Final answer
    x = 80,588.45

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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.