Home / 146,867.10-219,972.60-120,623.10

Finding the Fourth Proportional to 146,867.10, 219,972.60 and 120,623.10

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Solution

The fourth proportional to 146,867.10, 219,972.60 and 120,623.10 is: 180,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,867.10 : 219,972.60 = 120,623.10 : x
  2. Step 2: Convert to fraction form
    146,867.10/219,972.60 = 120,623.10/x
  3. Step 3: Cross multiply
    146,867.10x = 219,972.60 × 120,623.10
  4. Step 4: Simplify right side
    146,867.10x = 26,533,776,927.06
  5. Step 5: Solve for x
    x = 26,533,776,927.06/146,867.10
  6. Step 6: Final answer
    x = 180,665.22

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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.