Home / 190,926.40-285,709.20-166,237.60

Finding the Fourth Proportional to 190,926.40, 285,709.20 and 166,237.60

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Solution

The fourth proportional to 190,926.40, 285,709.20 and 166,237.60 is: 248,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,926.40 : 285,709.20 = 166,237.60 : x
  2. Step 2: Convert to fraction form
    190,926.40/285,709.20 = 166,237.60/x
  3. Step 3: Cross multiply
    190,926.40x = 285,709.20 × 166,237.60
  4. Step 4: Simplify right side
    190,926.40x = 47,495,611,705.92
  5. Step 5: Solve for x
    x = 47,495,611,705.92/190,926.40
  6. Step 6: Final answer
    x = 248,763.98

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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.