Home / 146,581.80-219,872.70-145,026.60

Finding the Fourth Proportional to 146,581.80, 219,872.70 and 145,026.60

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Solution

The fourth proportional to 146,581.80, 219,872.70 and 145,026.60 is: 217,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,581.80 : 219,872.70 = 145,026.60 : x
  2. Step 2: Convert to fraction form
    146,581.80/219,872.70 = 145,026.60/x
  3. Step 3: Cross multiply
    146,581.80x = 219,872.70 × 145,026.60
  4. Step 4: Simplify right side
    146,581.80x = 31,887,390,113.82
  5. Step 5: Solve for x
    x = 31,887,390,113.82/146,581.80
  6. Step 6: Final answer
    x = 217,539.90

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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.