Home / 146,538.30-219,807.45-136,040.70

Finding the Fourth Proportional to 146,538.30, 219,807.45 and 136,040.70

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Solution

The fourth proportional to 146,538.30, 219,807.45 and 136,040.70 is: 204,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,538.30 : 219,807.45 = 136,040.70 : x
  2. Step 2: Convert to fraction form
    146,538.30/219,807.45 = 136,040.70/x
  3. Step 3: Cross multiply
    146,538.30x = 219,807.45 × 136,040.70
  4. Step 4: Simplify right side
    146,538.30x = 29,902,759,363.22
  5. Step 5: Solve for x
    x = 29,902,759,363.22/146,538.30
  6. Step 6: Final answer
    x = 204,061.05

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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.