Home / 412,927.20-619,237.20-163,557.60

Finding the Fourth Proportional to 412,927.20, 619,237.20 and 163,557.60

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Solution

The fourth proportional to 412,927.20, 619,237.20 and 163,557.60 is: 245,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,927.20 : 619,237.20 = 163,557.60 : x
  2. Step 2: Convert to fraction form
    412,927.20/619,237.20 = 163,557.60/x
  3. Step 3: Cross multiply
    412,927.20x = 619,237.20 × 163,557.60
  4. Step 4: Simplify right side
    412,927.20x = 101,280,950,262.72
  5. Step 5: Solve for x
    x = 101,280,950,262.72/412,927.20
  6. Step 6: Final answer
    x = 245,275.56

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1.5x scale

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.