Home / 147,008.18-220,623.24-107,667.29

Finding the Fourth Proportional to 147,008.18, 220,623.24 and 107,667.29

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Solution

The fourth proportional to 147,008.18, 220,623.24 and 107,667.29 is: 161,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,008.18 : 220,623.24 = 107,667.29 : x
  2. Step 2: Convert to fraction form
    147,008.18/220,623.24 = 107,667.29/x
  3. Step 3: Cross multiply
    147,008.18x = 220,623.24 × 107,667.29
  4. Step 4: Simplify right side
    147,008.18x = 23,753,905,258.70
  5. Step 5: Solve for x
    x = 23,753,905,258.70/147,008.18
  6. Step 6: Final answer
    x = 161,582.21

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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.