Home / 156,816.54-235,691.37-73,768.86

Finding the Fourth Proportional to 156,816.54, 235,691.37 and 73,768.86

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Solution

The fourth proportional to 156,816.54, 235,691.37 and 73,768.86 is: 110,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,816.54 : 235,691.37 = 73,768.86 : x
  2. Step 2: Convert to fraction form
    156,816.54/235,691.37 = 73,768.86/x
  3. Step 3: Cross multiply
    156,816.54x = 235,691.37 × 73,768.86
  4. Step 4: Simplify right side
    156,816.54x = 17,386,683,676.74
  5. Step 5: Solve for x
    x = 17,386,683,676.74/156,816.54
  6. Step 6: Final answer
    x = 110,872.77

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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.