Home / 330,796.06-496,060.46-128,285.52

Finding the Fourth Proportional to 330,796.06, 496,060.46 and 128,285.52

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Solution

The fourth proportional to 330,796.06, 496,060.46 and 128,285.52 is: 192,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,796.06 : 496,060.46 = 128,285.52 : x
  2. Step 2: Convert to fraction form
    330,796.06/496,060.46 = 128,285.52/x
  3. Step 3: Cross multiply
    330,796.06x = 496,060.46 × 128,285.52
  4. Step 4: Simplify right side
    330,796.06x = 63,637,374,062.54
  5. Step 5: Solve for x
    x = 63,637,374,062.54/330,796.06
  6. Step 6: Final answer
    x = 192,376.46

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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.