Home / 190,932.40-285,718.20-166,243.60

Finding the Fourth Proportional to 190,932.40, 285,718.20 and 166,243.60

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Solution

The fourth proportional to 190,932.40, 285,718.20 and 166,243.60 is: 248,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,932.40 : 285,718.20 = 166,243.60 : x
  2. Step 2: Convert to fraction form
    190,932.40/285,718.20 = 166,243.60/x
  3. Step 3: Cross multiply
    190,932.40x = 285,718.20 × 166,243.60
  4. Step 4: Simplify right side
    190,932.40x = 47,498,822,153.52
  5. Step 5: Solve for x
    x = 47,498,822,153.52/190,932.40
  6. Step 6: Final answer
    x = 248,772.98

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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.