Home / 156,905.68-235,353.02-50,288.06

Finding the Fourth Proportional to 156,905.68, 235,353.02 and 50,288.06

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Solution

The fourth proportional to 156,905.68, 235,353.02 and 50,288.06 is: 75,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.68 : 235,353.02 = 50,288.06 : x
  2. Step 2: Convert to fraction form
    156,905.68/235,353.02 = 50,288.06/x
  3. Step 3: Cross multiply
    156,905.68x = 235,353.02 × 50,288.06
  4. Step 4: Simplify right side
    156,905.68x = 11,835,446,790.94
  5. Step 5: Solve for x
    x = 11,835,446,790.94/156,905.68
  6. Step 6: Final answer
    x = 75,430.33

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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.