Home / 461,921.40-692,817.30-146,410.20

Finding the Fourth Proportional to 461,921.40, 692,817.30 and 146,410.20

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Solution

The fourth proportional to 461,921.40, 692,817.30 and 146,410.20 is: 219,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,921.40 : 692,817.30 = 146,410.20 : x
  2. Step 2: Convert to fraction form
    461,921.40/692,817.30 = 146,410.20/x
  3. Step 3: Cross multiply
    461,921.40x = 692,817.30 × 146,410.20
  4. Step 4: Simplify right side
    461,921.40x = 101,435,519,456.46
  5. Step 5: Solve for x
    x = 101,435,519,456.46/461,921.40
  6. Step 6: Final answer
    x = 219,594.76

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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.