Home / 156,749.44-235,123.80-56,909.56

Finding the Fourth Proportional to 156,749.44, 235,123.80 and 56,909.56

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Solution

The fourth proportional to 156,749.44, 235,123.80 and 56,909.56 is: 85,364.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,749.44 : 235,123.80 = 56,909.56 : x
  2. Step 2: Convert to fraction form
    156,749.44/235,123.80 = 56,909.56/x
  3. Step 3: Cross multiply
    156,749.44x = 235,123.80 × 56,909.56
  4. Step 4: Simplify right side
    156,749.44x = 13,380,792,003.53
  5. Step 5: Solve for x
    x = 13,380,792,003.53/156,749.44
  6. Step 6: Final answer
    x = 85,364.21

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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.