Home / 156,905.15-235,357.73-50,288.90

Finding the Fourth Proportional to 156,905.15, 235,357.73 and 50,288.90

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Solution

The fourth proportional to 156,905.15, 235,357.73 and 50,288.90 is: 75,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.15 : 235,357.73 = 50,288.90 : x
  2. Step 2: Convert to fraction form
    156,905.15/235,357.73 = 50,288.90/x
  3. Step 3: Cross multiply
    156,905.15x = 235,357.73 × 50,288.90
  4. Step 4: Simplify right side
    156,905.15x = 11,835,881,348.20
  5. Step 5: Solve for x
    x = 11,835,881,348.20/156,905.15
  6. Step 6: Final answer
    x = 75,433.35

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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.