Home / 156,915.85-235,373.78-109,676.65

Finding the Fourth Proportional to 156,915.85, 235,373.78 and 109,676.65

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Solution

The fourth proportional to 156,915.85, 235,373.78 and 109,676.65 is: 164,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.85 : 235,373.78 = 109,676.65 : x
  2. Step 2: Convert to fraction form
    156,915.85/235,373.78 = 109,676.65/x
  3. Step 3: Cross multiply
    156,915.85x = 235,373.78 × 109,676.65
  4. Step 4: Simplify right side
    156,915.85x = 25,815,007,688.24
  5. Step 5: Solve for x
    x = 25,815,007,688.24/156,915.85
  6. Step 6: Final answer
    x = 164,514.98

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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.