Home / 412,983.40-619,329.30-146,752.60

Finding the Fourth Proportional to 412,983.40, 619,329.30 and 146,752.60

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Solution

The fourth proportional to 412,983.40, 619,329.30 and 146,752.60 is: 220,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,983.40 : 619,329.30 = 146,752.60 : x
  2. Step 2: Convert to fraction form
    412,983.40/619,329.30 = 146,752.60/x
  3. Step 3: Cross multiply
    412,983.40x = 619,329.30 × 146,752.60
  4. Step 4: Simplify right side
    412,983.40x = 90,888,185,031.18
  5. Step 5: Solve for x
    x = 90,888,185,031.18/412,983.40
  6. Step 6: Final answer
    x = 220,077.09

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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.