Home / 412,932.40-619,252.80-146,701.60

Finding the Fourth Proportional to 412,932.40, 619,252.80 and 146,701.60

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Solution

The fourth proportional to 412,932.40, 619,252.80 and 146,701.60 is: 220,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,932.40 : 619,252.80 = 146,701.60 : x
  2. Step 2: Convert to fraction form
    412,932.40/619,252.80 = 146,701.60/x
  3. Step 3: Cross multiply
    412,932.40x = 619,252.80 × 146,701.60
  4. Step 4: Simplify right side
    412,932.40x = 90,845,376,564.48
  5. Step 5: Solve for x
    x = 90,845,376,564.48/412,932.40
  6. Step 6: Final answer
    x = 220,000.60

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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.