Home / 190,935.40-285,722.70-166,246.60

Finding the Fourth Proportional to 190,935.40, 285,722.70 and 166,246.60

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Solution

The fourth proportional to 190,935.40, 285,722.70 and 166,246.60 is: 248,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,935.40 : 285,722.70 = 166,246.60 : x
  2. Step 2: Convert to fraction form
    190,935.40/285,722.70 = 166,246.60/x
  3. Step 3: Cross multiply
    190,935.40x = 285,722.70 × 166,246.60
  4. Step 4: Simplify right side
    190,935.40x = 47,500,427,417.82
  5. Step 5: Solve for x
    x = 47,500,427,417.82/190,935.40
  6. Step 6: Final answer
    x = 248,777.48

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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.