Home / 156,119.40-234,179.64-37,790.55

Finding the Fourth Proportional to 156,119.40, 234,179.64 and 37,790.55

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Solution

The fourth proportional to 156,119.40, 234,179.64 and 37,790.55 is: 56,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,119.40 : 234,179.64 = 37,790.55 : x
  2. Step 2: Convert to fraction form
    156,119.40/234,179.64 = 37,790.55/x
  3. Step 3: Cross multiply
    156,119.40x = 234,179.64 × 37,790.55
  4. Step 4: Simplify right side
    156,119.40x = 8,849,777,394.40
  5. Step 5: Solve for x
    x = 8,849,777,394.40/156,119.40
  6. Step 6: Final answer
    x = 56,685.96

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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.