Home / 156,041.40-234,447.24-99,905.96

Finding the Fourth Proportional to 156,041.40, 234,447.24 and 99,905.96

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Solution

The fourth proportional to 156,041.40, 234,447.24 and 99,905.96 is: 150,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,041.40 : 234,447.24 = 99,905.96 : x
  2. Step 2: Convert to fraction form
    156,041.40/234,447.24 = 99,905.96/x
  3. Step 3: Cross multiply
    156,041.40x = 234,447.24 × 99,905.96
  4. Step 4: Simplify right side
    156,041.40x = 23,422,676,581.55
  5. Step 5: Solve for x
    x = 23,422,676,581.55/156,041.40
  6. Step 6: Final answer
    x = 150,105.53

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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.